Gaya APA

SUNG, J, J, [., KUIPERS, E, J, [. (2012). GASTROINTESTINAL bleeding (2nd ed.). [s.l]: Wiley-Blackwell.

Gaya MLA

SUNG, Joseph, J.Y., [ed.]., KUIPERS, Ernst, J., [ed.]. "GASTROINTESTINAL bleeding". 2nd ed. [s.l]: Wiley-Blackwell, 2012. Buku.