APA aipamena

Foss, A. M., Watts, C. H., Vickerman, P., & Heise, L. (2004). Condoms and prevention of HIV: Are essential and effective, but additional methods are also needed. BMJ Publishing Group Ltd.

Chicago Style aipamena

Foss, Anna M., Charlotte H. Watts, Peter Vickerman, and Lori Heise. Condoms and Prevention of HIV: Are Essential and Effective, but Additional Methods Are Also Needed. BMJ Publishing Group Ltd, 2004.

MLA aipamena

Foss, Anna M., Charlotte H. Watts, Peter Vickerman, and Lori Heise. Condoms and Prevention of HIV: Are Essential and Effective, but Additional Methods Are Also Needed. BMJ Publishing Group Ltd, 2004.