APA (7e ed.) Bronvermelding

Torrevillas, D. M. (2001). Pill most popular contraceptive. IN From the stands [column]. Philippine Star.

Chicago (17e ed.) Bronvermelding

Torrevillas, Domini M. "Pill Most Popular Contraceptive. IN From the Stands [column]." Philippine Star 2001.

MLA (9e ed.) Bronvermelding

Torrevillas, Domini M. "Pill Most Popular Contraceptive. IN From the Stands [column]." Philippine Star, 2001.

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