Bergson, A. (1989). Planning and performance in socialist economies: The USSR and Eastern Europe. Unwin Hyman.
Chicago-referens (17:e uppl.)Bergson, Abram. Planning and Performance in Socialist Economies: The USSR and Eastern Europe. Boston: Unwin Hyman, 1989.
MLA-referens (9:e uppl.)Bergson, Abram. Planning and Performance in Socialist Economies: The USSR and Eastern Europe. Unwin Hyman, 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.