APA Style

Sofii, I. et al (2010). Comparison of Serum Aminotransferase Between Gas and Gasless Laparoscopy Cholecystectomy . Yogyakarta: Faculty of Medicine Gadjah Mada Universiti.

MLA Style

Sofii, Imam. et al. "Comparison of Serum Aminotransferase Between Gas and Gasless Laparoscopy Cholecystectomy". Yogyakarta: Faculty of Medicine Gadjah Mada Universiti, 2010. Text.