Jamiat al-Bitrul wa-al-Maadin, Osterreichische Akademie der Wissenschaften, Jado, A. R., Sayari, S. S., & Zotl, J. (1978). Quaternary period in Saudi Arabia: A cooperative research project of the University of Petroleum and Minerals, Dhahran, and the Austrian Academy of Sciences, Vienna. Springer-Verlag.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Jamiat al-Bitrul wa-al-Maadin, Osterreichische Akademie der Wissenschaften, Abdul Raof Jado, Saad S. Sayari, و Josef Zotl. Quaternary Period in Saudi Arabia: A Cooperative Research Project of the University of Petroleum and Minerals, Dhahran, and the Austrian Academy of Sciences, Vienna. Wien ; New York: Springer-Verlag, 1978.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Jamiat al-Bitrul wa-al-Maadin, et al. Quaternary Period in Saudi Arabia: A Cooperative Research Project of the University of Petroleum and Minerals, Dhahran, and the Austrian Academy of Sciences, Vienna. Springer-Verlag, 1978.