Gaya APA

Durie, P, R. et al (1991). Pediatric Gastrointestinal Disease: Pathophysiology, Diagnosis, Management. Vol.1 . Philadelphia: .C Decker Inc.

Gaya MLA

Durie, Peter, R. et al. "Pediatric Gastrointestinal Disease: Pathophysiology, Diagnosis, Management. Vol.1". Philadelphia: .C Decker Inc, 1991. print.