Hertlein, K. M., Weeks, G. R., & Sendak, S. K. (2009). A clinician's guide to systemic sex therapy. Routledge.
Lua i Stíl Chicago (17ú heag.)Hertlein, Katherine M., Gerald R. Weeks, agus Shelley K. Sendak. A Clinician's Guide to Systemic Sex Therapy. New York: Routledge, 2009.
Lua MLA (8ú heag.)Hertlein, Katherine M., et al. A Clinician's Guide to Systemic Sex Therapy. Routledge, 2009.
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