توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Organisation for Economic Co-operation and Development. (1973). Company tax systems in OECD member countries. [s.n.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Organisation for Economic Co-operation and Development. Company Tax Systems in OECD Member Countries. [Paris: [s.n, 1973.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Organisation for Economic Co-operation and Development. Company Tax Systems in OECD Member Countries. [s.n, 1973.