Παραπομπή APA

Neukrug, E. (2008). Theory, practice, and trends in human services: An introduction (4th ed.). Pacific Grove, CA: Thomson Brooks/Cole.

Παραπομπή Chicago Style

Neukrug, Ed. Theory, Practice, and Trends in Human Services: An Introduction. 4th ed. Pacific Grove, CA: Thomson Brooks/Cole, 2008.

Παραπομπή MLA

Neukrug, Ed. Theory, Practice, and Trends in Human Services: An Introduction. 4th ed. Pacific Grove, CA: Thomson Brooks/Cole, 2008.

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