Citace podle APA (7th ed.)

Combs, A. W., Purkey, W. W., & Avila, D. L. (1978). Helping relationships: Basic concepts for the helping professions (2nd ed.). Allyn and Bacon.

Citace podle Chicago (17th ed.)

Combs, Arthur W., William W. Purkey, a Donald L. Avila. Helping Relationships: Basic Concepts for the Helping Professions. 2nd ed. Boston: Allyn and Bacon, 1978.

Citace podle MLA (9th ed.)

Combs, Arthur W., et al. Helping Relationships: Basic Concepts for the Helping Professions. 2nd ed. Allyn and Bacon, 1978.

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