Revolutionary Workers' Party (Trotskyist), International Socialist Group, Fourth International. International Secretariat, & Posadas, J. (1978). Bulletin of the International Secretariat of the Posadist IV International. British Section of the IV International (Posadist) [and] Revolutionary Workers' Party (Trotskyist).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Revolutionary Workers' Party (Trotskyist), International Socialist Group, Fourth International. International Secretariat, و J. Posadas. Bulletin of the International Secretariat of the Posadist IV International. London: British Section of the IV International (Posadist) [and] Revolutionary Workers' Party (Trotskyist), 1978.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Revolutionary Workers' Party (Trotskyist), et al. Bulletin of the International Secretariat of the Posadist IV International. British Section of the IV International (Posadist) [and] Revolutionary Workers' Party (Trotskyist), 1978.