Dyfyniad APA

Lefkowitz, E. S., & Vasilenko, S. A. (2014). Positive and negative outcomes of sexual behaviors. Jossey-Bass.

Dyfyniad Arddull Chicago

Lefkowitz, Eva S., and Sara A. Vasilenko. Positive and Negative Outcomes of Sexual Behaviors. San Francisco, California: Jossey-Bass, 2014.

Dyfyniad MLA

Lefkowitz, Eva S., and Sara A. Vasilenko. Positive and Negative Outcomes of Sexual Behaviors. Jossey-Bass, 2014.

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