APA
Wyllie R., . (2021). Pediatric Gastrointestinal And Liver Disease: 6Ed. Philadelphia: Elsevier.
Chicago
Wyllie Robert, . 2021. Pediatric Gastrointestinal And Liver Disease: 6Ed. Philadelphia: Elsevier.
Harvard
Wyllie R., . (2021). Pediatric Gastrointestinal And Liver Disease: 6Ed. Philadelphia: Elsevier.
MLA
Wyllie Robert, . Pediatric Gastrointestinal And Liver Disease: 6Ed. Philadelphia: Elsevier. 2021.