Gaya APA
Nelson, W, E.
(1999).
Ilmu Kesehatan Anak (Nelson text book of pediatrics) 2
.
Jakartaa:
EGC.
Gaya MLA
Nelson, Waldo, E..
"Ilmu Kesehatan Anak (Nelson text book of pediatrics) 2".
Jakartaa:
EGC,
1999.
Text.