APA Citation

Willis, S., & Margaretha Hutauruk Eddy. (2003). Jam Berapa Sih? Jakarta: Erlangga.

Chicago Style Citation

Willis, Shirley, and Margaretha Hutauruk Eddy. Jam Berapa Sih? Jakarta: Erlangga, 2003.

MLA Citation

Willis, Shirley, and Margaretha Hutauruk Eddy. Jam Berapa Sih? Jakarta: Erlangga, 2003.

Warning: These citations may not always be 100% accurate.