Gaya APA

THAM, T, C., COLLINS, J, S. (2009). GASTROINTESTINAL emergencies (2nd ed.). New York: Wiley-Blackwell.

Gaya MLA

THAM, Tony, C.K.., COLLINS, John, S.A.. "GASTROINTESTINAL emergencies". 2nd ed. New York: Wiley-Blackwell, 2009. Buku.