Beier, K. M., & Loewit, K. (2013). Sexual medicine in clinical practice. Springer.
Lua i Stíl Chicago (17ú heag.)Beier, Klaus M., agus Kurt Loewit. Sexual Medicine in Clinical Practice. New York: Springer, 2013.
Lua MLA (8ú heag.)Beier, Klaus M., agus Kurt Loewit. Sexual Medicine in Clinical Practice. Springer, 2013.
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