Hertlein, K. M., Weeks, G. R., & Sendak, S. K. (2009). A clinician's guide to systemic sex therapy. Routledge.
Chicago Style aipamenaHertlein, Katherine M., Gerald R. Weeks, and Shelley K. Sendak. A Clinician's Guide to Systemic Sex Therapy. New York: Routledge, 2009.
MLA aipamenaHertlein, Katherine M., et al. A Clinician's Guide to Systemic Sex Therapy. Routledge, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.