Gazda, G. M. (1995). Human relations development: A manual for educators (5th ed.). Allyn and Bacon.
Citace podle Chicago (17th ed.)Gazda, George Michael. Human Relations Development: A Manual for Educators. 5th ed. Boston: Allyn and Bacon, 1995.
Citace podle MLA (9th ed.)Gazda, George Michael. Human Relations Development: A Manual for Educators. 5th ed. Allyn and Bacon, 1995.
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