Gaya APA
Nugroho, H, S, W.
(2014).
Petunjuk Praktis Denver Developmental Screening Test
.
Jakarta:
EGC.
Gaya MLA
Nugroho, Hero, Santoso, Wahito.
"Petunjuk Praktis Denver Developmental Screening Test".
Jakarta:
EGC,
2014.
Text.