"Zagladin, V. (1988). International working-class and communist movement: Historical record (1830s to mid-1940s). Progress publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Zagladin, Vadim. International Working-class and Communist Movement: Historical Record (1830s to Mid-1940s). Progress publishers, 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Zagladin, Vadim. International Working-class and Communist Movement: Historical Record (1830s to Mid-1940s). Progress publishers, 1988.
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