Gaya APA
Nugroho, H, S, W.
(2009).
Denver Developmental Screening Test: petunjuk praktis
.
Jakarta:
EGC.
Gaya MLA
Nugroho, Heru, Santoso, Wahito.
"Denver Developmental Screening Test: petunjuk praktis".
Jakarta:
EGC,
2009.
Text.