Halqah al-Dirasiyah al-Arabiyah an al-Zuruf al-Biiyah wa-Alaqatuha bi-Khutat al-Tanmiyah fi al-Duwal al-Arabiyah, Khartum, Arab League Educational, Cultural, and Scientific Organization, Jamiyah al-Sudaniyah li-Taqaddum al-Ulum, Majlis al-Qawmi lil-Buhuth (Sudan), & Mutamar al-Sudani an al-Insan wa al-Biah wa-al-Tanmiyah. (1973). Man, environment, development: Proceedings of the Arab Regional Symposium on Environmental Aspects and Development in the Arab Countries, held by ALESCO, N.C.R. (Sudan), and the Sudanese National Conference on Man, Environment and Development, convened by the Sudanese Association for Advancement of Science and N.C.R. (Sudan), Khartoum, 5-12 February 1972. Arab League Educational, Cultural and Scientific Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Halqah al-Dirasiyah al-Arabiyah an al-Zuruf al-Biiyah wa-Alaqatuha bi-Khutat al-Tanmiyah fi al-Duwal al-Arabiyah, Khartum, Cultural Arab League Educational, Jamiyah al-Sudaniyah li-Taqaddum al-Ulum, Majlis al-Qawmi lil-Buhuth (Sudan), و Mutamar al-Sudani an al-Insan wa al-Biah wa-al-Tanmiyah. Man, Environment, Development: Proceedings of the Arab Regional Symposium on Environmental Aspects and Development in the Arab Countries, Held by ALESCO, N.C.R. (Sudan), and the Sudanese National Conference on Man, Environment and Development, Convened by the Sudanese Association for Advancement of Science and N.C.R. (Sudan), Khartoum, 5-12 February 1972. Cairo: Arab League Educational, Cultural and Scientific Organization, 1973.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Halqah al-Dirasiyah al-Arabiyah an al-Zuruf al-Biiyah wa-Alaqatuha bi-Khutat al-Tanmiyah fi al-Duwal al-Arabiyah, Khartum, et al. Man, Environment, Development: Proceedings of the Arab Regional Symposium on Environmental Aspects and Development in the Arab Countries, Held by ALESCO, N.C.R. (Sudan), and the Sudanese National Conference on Man, Environment and Development, Convened by the Sudanese Association for Advancement of Science and N.C.R. (Sudan), Khartoum, 5-12 February 1972. Arab League Educational, Cultural and Scientific Organization, 1973.