APA (7e ed.) Bronvermelding

Oral Contraceptives & Cancer Risk: Questions & Answers (2018). National Cancer Institute Member Services.

Chicago (17e ed.) Bronvermelding

Oral Contraceptives & Cancer Risk: Questions & Answers (2018). National Cancer Institute Member Services.

MLA (9e ed.) Bronvermelding

Oral Contraceptives & Cancer Risk: Questions & Answers (2018). National Cancer Institute Member Services.

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