Gaya APA

Zinner, M, J., Ashley, S, W. (2007). Maingot's Abdominal Operations (Ed.11). USA: McGrawe-Hill.

Gaya MLA

Zinner, Michael, J.., Ashley, Stanley, W. "Maingot's Abdominal Operations". Ed.11 USA: McGrawe-Hill, 2007. Text.