APA (7e ed.) Bronvermelding

Yang YM & Choi EJ. (2015). Efficacy and safety of metformin or oral contraceptives, or both in polycystic ovary syndrome. Dove Medical Press.

Chicago (17e ed.) Bronvermelding

Yang YM en Choi EJ. Efficacy and Safety of Metformin or Oral Contraceptives, or Both in Polycystic Ovary Syndrome. Dove Medical Press, 2015.

MLA (9e ed.) Bronvermelding

Yang YM en Choi EJ. Efficacy and Safety of Metformin or Oral Contraceptives, or Both in Polycystic Ovary Syndrome. Dove Medical Press, 2015.

Let op: Deze citaties zijn niet altijd 100% accuraat.