APA (7th ed.) Zitazioa
ebrary, Inc, Zink, C., & Pschyrembel, W. (1988). Dictionary of obstetrics and gynecology. W. De Gruyter.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Christoph Zink, eta Willibald Pschyrembel. Dictionary of Obstetrics and Gynecology. Berlin ; New York: W. De Gruyter, 1988.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Dictionary of Obstetrics and Gynecology. W. De Gruyter, 1988.
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