Cooper, C. L. (1982). Improving interpersonal relations: A guide to social skill development for managers and group leaders. Prentice Hall.
Citace podle Chicago (17th ed.)Cooper, Cary L. Improving Interpersonal Relations: A Guide to Social Skill Development for Managers and Group Leaders. Prentice Hall, 1982.
Citace podle MLA (9th ed.)Cooper, Cary L. Improving Interpersonal Relations: A Guide to Social Skill Development for Managers and Group Leaders. Prentice Hall, 1982.
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