APA Alıntı

Yousaf, M. Z., Zia, S., Babar, M. E., & Ashfaq, U. A. (2011). The epidemic of HIV/AIDS in developing countries; the current scenario in Pakistan. BioMed Central.

Chicago Stili Alıntı

Yousaf, Muhammad Z., Sadia Zia, Masroor E. Babar, ve Usman A. Ashfaq. The Epidemic of HIV/AIDS in Developing Countries; the Current Scenario in Pakistan. BioMed Central, 2011.

MLA Alıntı

Yousaf, Muhammad Z., Sadia Zia, Masroor E. Babar, ve Usman A. Ashfaq. The Epidemic of HIV/AIDS in Developing Countries; the Current Scenario in Pakistan. BioMed Central, 2011.