Gaya APA
Longo, D, L. et al
(2010).
E-BOOK TLM HARRISON’S Gastroenterology and Hepatology
.
USA:
MC GRAW HILL.
Gaya MLA
Longo, Dan, L.. et al.
"E-BOOK TLM HARRISON’S Gastroenterology and Hepatology".
USA:
MC GRAW HILL,
2010.
Text.