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