Duffy, K. G. Annual editions: Personal growth and behavior (Twelfth edition.). The Dushkin Publishing Group, Inc.
Citace podle Chicago (17th ed.)Duffy, Karen G. Annual Editions: Personal Growth and Behavior. Twelfth edition. Guilford, Connecticut: The Dushkin Publishing Group, Inc.
Citace podle MLA (9th ed.)Duffy, Karen G. Annual Editions: Personal Growth and Behavior. Twelfth edition. The Dushkin Publishing Group, Inc.
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