Posadas, J. (1978). The anniversary of the Soviet Union and the tasks for the development of the struggle for socialism today: A public conference given to members of the Communist, Socialist, Leftist and Posadist parties. Fourth International Publications [for the] Revolutionary Workers Party, (Trotskyist).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Posadas, J. The Anniversary of the Soviet Union and the Tasks for the Development of the Struggle for Socialism Today: A Public Conference Given to Members of the Communist, Socialist, Leftist and Posadist Parties. London: Fourth International Publications [for the] Revolutionary Workers Party, (Trotskyist), 1978.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Posadas, J. The Anniversary of the Soviet Union and the Tasks for the Development of the Struggle for Socialism Today: A Public Conference Given to Members of the Communist, Socialist, Leftist and Posadist Parties. Fourth International Publications [for the] Revolutionary Workers Party, (Trotskyist), 1978.