American College of Obstetricians and Gynecologists\nAmerican Academy of Obstetrics and Gynecology. (2017). Obstetrics and Gynecology. Elsevier Science.
Citação do estilo Chicago (17ª ed.)American College of Obstetricians and Gynecologists\nAmerican Academy of Obstetrics and Gynecology. Obstetrics and Gynecology. New York: Elsevier Science, 2017.
Citação MLA (8ª ed.)American College of Obstetricians and Gynecologists\nAmerican Academy of Obstetrics and Gynecology. Obstetrics and Gynecology. Elsevier Science, 2017.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.