Bergson, A. (1989). Planning and performance in socialist economies: The USSR and Eastern Europe. Unwin Hyman.
Citace podle Chicago (17th ed.)Bergson, Abram. Planning and Performance in Socialist Economies: The USSR and Eastern Europe. Boston: Unwin Hyman, 1989.
Citace podle MLA (9th ed.)Bergson, Abram. Planning and Performance in Socialist Economies: The USSR and Eastern Europe. Unwin Hyman, 1989.
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