APA aipamena

Pettifor, A. E., Levandowski, B. A., MacPhail, C., Padian, N. S., Cohen, M. S., & Rees, H. V. (2008). Keep them in school: The importance of education as a protective factor against HIV infection among young South African women. Oxford University Press.

Chicago Style aipamena

Pettifor, Audrey E., Brooke A. Levandowski, Catherine MacPhail, Nancy S. Padian, Myron S. Cohen, and Helen V. Rees. Keep Them in School: The Importance of Education As a Protective Factor against HIV Infection Among Young South African Women. Oxford University Press, 2008.

MLA aipamena

Pettifor, Audrey E., et al. Keep Them in School: The Importance of Education As a Protective Factor against HIV Infection Among Young South African Women. Oxford University Press, 2008.