Não informado. (2002). ACOG Practice Bulletin. American College of Obstetricians and Gynecologists.
Style de citation Chicago (17e éd.)Não informado. ACOG Practice Bulletin. Washington: American College of Obstetricians and Gynecologists, 2002.
Style de citation MLA (8e éd.)Não informado. ACOG Practice Bulletin. American College of Obstetricians and Gynecologists, 2002.
Attention : ces citations peuvent ne pas être correctes à 100%.