Gaya APA

McMAHON, C, G., McMAHON, C, N. (2010). Erectile Dysfunction : Part 1-Investigation and Management . : www.medicalprogress.com.

Gaya MLA

McMAHON, Chris, G.., McMAHON, Chelsea, N.. "Erectile Dysfunction : Part 1-Investigation and Management". : www.medicalprogress.com, 2010. Artikel.