توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Posadas, J. (1977). The Meeting of the Socialist International: The Congress of the Spanish P.S.O.E. and the World Process of the Revolution. Revolutionary Party Workers (Trotskyist).

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Posadas, J. The Meeting of the Socialist International: The Congress of the Spanish P.S.O.E. and the World Process of the Revolution. London: Revolutionary Party Workers (Trotskyist), 1977.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Posadas, J. The Meeting of the Socialist International: The Congress of the Spanish P.S.O.E. and the World Process of the Revolution. Revolutionary Party Workers (Trotskyist), 1977.