Gardner, W. E., West, R., & West, W. M. (1964). The new world's foundations in the old. Allyn and Bacon, Inc..
Citace podle Chicago (17th ed.)Gardner, William E., Ruth West, a Willis M. West. The New World's Foundations in the Old. Boston: Allyn and Bacon, Inc., 1964.
Citace podle MLA (8th ed.)Gardner, William E., et al. The New World's Foundations in the Old. Allyn and Bacon, Inc., 1964.
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