Gaya APA
KLIEGMAN, B, J, S. (2007).
NELSON TEXTBOOK OF PEDIATRICS (18 TH EDITION).
UNITED STATES OF AMERICA:
Elsevier Saunders.
Gaya MLA
KLIEGMAN, BEHRMAN, JENSON, STANTON.
"NELSON TEXTBOOK OF PEDIATRICS".
18 TH EDITION
UNITED STATES OF AMERICA:
Elsevier Saunders,
2007.
Text.