Posadas, J. (1978). The crisis of capitalism, Eurocommunism, and the objective necessity of the communist society. Revolutionary Workers Party (Trotskyist)].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Posadas, J. The Crisis of Capitalism, Eurocommunism, and the Objective Necessity of the Communist Society. [London: Revolutionary Workers Party (Trotskyist)], 1978.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Posadas, J. The Crisis of Capitalism, Eurocommunism, and the Objective Necessity of the Communist Society. Revolutionary Workers Party (Trotskyist)], 1978.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.