Worsley, P. (1984). The three worlds: Culture and world development. University of Chicago Press.
Citace podle Chicago (17th ed.)Worsley, Peter. The Three Worlds: Culture and World Development. Chicago: University of Chicago Press, 1984.
Citace podle MLA (9th ed.)Worsley, Peter. The Three Worlds: Culture and World Development. University of Chicago Press, 1984.
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