APA Style
Nugroho, H, S, W., Mardella, E, A. (2009).
Denver Developmental Streening Test. Petunjuk Praktis .
Jakarta:
EGC.
MLA Style
Nugroho, Heru, Santoso, Wahito., Mardella, Eka, Anisa.
"Denver Developmental Streening Test. Petunjuk Praktis".
Jakarta:
EGC,
2009.
Text.