Gaya APA
Nugroho, H, S, W.
(2009).
Denver Development Screening Test: Petunjuk Praktis
(
I)
.
Jakarta:
EGC.
Gaya MLA
Nugroho, Heru, Santoso, Wahito.
"Denver Development Screening Test: Petunjuk Praktis".
I
Jakarta:
EGC,
2009.
Text.