توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

United Nations Institute for Training and Research. (1971). The brain drain from five developing countries: Cameroon-Colombia-Lebanon-Philippines-Trinidad and Tobago. [s.n.].

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

United Nations Institute for Training and Research. The Brain Drain from Five Developing Countries: Cameroon-Colombia-Lebanon-Philippines-Trinidad and Tobago. New York: [s.n.], 1971.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

United Nations Institute for Training and Research. The Brain Drain from Five Developing Countries: Cameroon-Colombia-Lebanon-Philippines-Trinidad and Tobago. [s.n.], 1971.