Sapir, E. (1916). Time perspective in aboriginal American culture: A study in method. Government Printing Bureau.
Citace podle Chicago (17th ed.)Sapir, Edward. Time Perspective in Aboriginal American Culture: A Study in Method. Ottawa: Government Printing Bureau, 1916.
Citace podle MLA (9th ed.)Sapir, Edward. Time Perspective in Aboriginal American Culture: A Study in Method. Government Printing Bureau, 1916.
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