Παραπομπή APA

Walters, G. D. (1999). The addiction concept: Working hypothesis or self-fulfilling prophesy.

Παραπομπή Chicago Style

Walters, Glenn D. The Addiction Concept: Working Hypothesis or Self-fulfilling Prophesy. London, Allyn and Bacon, 1999.

Παραπομπή MLA

Walters, Glenn D. The Addiction Concept: Working Hypothesis or Self-fulfilling Prophesy. 1999.