توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Butler, J. J. (1964). The Soviet Union, Eastern Europe, and the world food markets. Prepared by the Economist Intelligence Union for F.A. Praeger.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Butler, John Joseph. The Soviet Union, Eastern Europe, and the World Food Markets. New York: Prepared by the Economist Intelligence Union for F.A. Praeger, 1964.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Butler, John Joseph. The Soviet Union, Eastern Europe, and the World Food Markets. Prepared by the Economist Intelligence Union for F.A. Praeger, 1964.