Gaya APA

Zinner, M, J., ashley, S, W. (2013). Maingot's abdominal operations twelfth edition (-). China: Mcgraw hill medical.

Gaya MLA

Zinner, Michael, J.., ashley, Stanley, W.. "Maingot's abdominal operations twelfth edition". - China: Mcgraw hill medical, 2013. UMUM.