Gaya APA

Zinner, M, J, [., Ashley, S, W, [. (2013). Maingot's Abdominal Operations, 12th Editions (12th Ed.). United States: McGraw-Hill.

Gaya MLA

Zinner, Michael, J., [Ed.]., Ashley, Stanley, W., [Ed.]. "Maingot's Abdominal Operations, 12th Editions". 12th Ed. United States: McGraw-Hill, 2013. Text.