توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Organisation for Economic Co-operation and Development. (1976). Regional problems and policies in OECD countries. Organisation for Economic Co-operation and Development ; sold by OECD Publications Center].

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Organisation for Economic Co-operation and Development. Regional Problems and Policies in OECD Countries. Paris : [Washington D.C.: Organisation for Economic Co-operation and Development ; sold by OECD Publications Center], 1976.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Organisation for Economic Co-operation and Development. Regional Problems and Policies in OECD Countries. Organisation for Economic Co-operation and Development ; sold by OECD Publications Center], 1976.