Παραπομπή APA

Leiblum, S. R. E., & Pervin, L. A. E. (1980). Principles and practice of sex therapy.

Παραπομπή Chicago Style

Leiblum, Saudra R; Ed, και Lawrence A; Ed Pervin. Principles and Practice of Sex Therapy. London, Tavistock Publications, 1980.

Παραπομπή MLA

Leiblum, Saudra R; Ed, και Lawrence A; Ed Pervin. Principles and Practice of Sex Therapy. 1980.