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).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPosadas, 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.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPosadas, 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.
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