Al-Dekhyyel, N. A., & Redfield, D. (1988). Competencies needed by vocational and technical education administrators in the Kingdom of Saudi Arabia. Ohio State University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Dekhyyel, Nasser A., و David Redfield. Competencies Needed by Vocational and Technical Education Administrators in the Kingdom of Saudi Arabia. Ohio: Ohio State University, 1988.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-Dekhyyel, Nasser A., و David Redfield. Competencies Needed by Vocational and Technical Education Administrators in the Kingdom of Saudi Arabia. Ohio State University, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.