Gaya APA

Sumartono, E, S. (1994). The Acquisition of passives in Bahasa Indonesia by 2-and 3-year old children in Jakarta . Australia: Monash University.

Gaya MLA

Sumartono, Endang, Sutartinah. "The Acquisition of passives in Bahasa Indonesia by 2-and 3-year old children in Jakarta". Australia: Monash University, 1994. Text.