Gaya APA

Sinrang, A, W. (2011). Endothelin-1, Nitric Oxide, and Ratio of ET-1/NO in Erectile Dysfunction . Surabaya: Ikatan Ahli Urologi Indonesia.

Gaya MLA

Sinrang, Andi, Wardihan. "Endothelin-1, Nitric Oxide, and Ratio of ET-1/NO in Erectile Dysfunction". Surabaya: Ikatan Ahli Urologi Indonesia, 2011. Text.