Hertlein, K. M., Weeks, G. R., & Sendak, S. K. (2009). A clinician's guide to systemic sex therapy. Routledge.
Cita Chicago (17th ed.)Hertlein, Katherine M., Gerald R. Weeks, i Shelley K. Sendak. A Clinician's Guide to Systemic Sex Therapy. New York: Routledge, 2009.
Cita MLA (8th ed.)Hertlein, Katherine M., et al. A Clinician's Guide to Systemic Sex Therapy. Routledge, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.