توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Hecker, J. F. (1935). The Communist answer to the world's needs: Discussions in economic, political and social philosophy. A sequel to Moscow Dialogues. Chapman and Hall.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Hecker, Julius Friedrich. The Communist Answer to the World's Needs: Discussions in Economic, Political and Social Philosophy. A Sequel to Moscow Dialogues. London: Chapman and Hall, 1935.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Hecker, Julius Friedrich. The Communist Answer to the World's Needs: Discussions in Economic, Political and Social Philosophy. A Sequel to Moscow Dialogues. Chapman and Hall, 1935.