Gourou, P., & Tr. by Laborde, E. D. (1966). The tropical world: Its social and economic conditions and its future status (4th ed.). Longman.
Citace podle Chicago (17th ed.)Gourou, Pierre, a E. D. Tr. by Laborde. The Tropical World: Its Social and Economic Conditions and Its Future Status. 4th ed. London: Longman, 1966.
Citace podle MLA (9th ed.)Gourou, Pierre, a E. D. Tr. by Laborde. The Tropical World: Its Social and Economic Conditions and Its Future Status. 4th ed. Longman, 1966.
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