Campbell, R. W. (1960). Soviet economic power: Its organization, growth, and challenge. Houghton Mifflin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCampbell, Robert Wellington. Soviet Economic Power: Its Organization, Growth, and Challenge. [Boston]: Houghton Mifflin, 1960.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCampbell, Robert Wellington. Soviet Economic Power: Its Organization, Growth, and Challenge. Houghton Mifflin, 1960.
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