Gaya APA

Hyams, R, W, , J, S. (2006). Pediatric Gastrointestinal and Liver Disease (Third Edition). of America: Sauders Eseier.

Gaya MLA

Hyams, Robert, Wyllie, , Jeffrey, S. "Pediatric Gastrointestinal and Liver Disease". Third Edition of America: Sauders Eseier, 2006. Text.