Dyfyniad APA

Hertlein, K. M., Weeks, G. R., & Sendak, S. K. (2009). A clinician's guide to systemic sex therapy. Routledge.

Dyfyniad Arddull Chicago

Hertlein, Katherine M., Gerald R. Weeks, and Shelley K. Sendak. A Clinician's Guide to Systemic Sex Therapy. New York: Routledge, 2009.

Dyfyniad MLA

Hertlein, Katherine M., et al. A Clinician's Guide to Systemic Sex Therapy. Routledge, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.