Παραπομπή APA

Schutt, R. K. (1999). Investigating the social world: The process and practice of research (2nd ed.). California: Pine Forge Press.

Παραπομπή Chicago Style

Schutt, Russell K. Investigating the Social World: The Process and Practice of Research. 2nd ed. California: Pine Forge Press, 1999.

Παραπομπή MLA

Schutt, Russell K. Investigating the Social World: The Process and Practice of Research. 2nd ed. California: Pine Forge Press, 1999.

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