Gaya APA

Ernawati, F., Sirait, E. (2002). English for Elementary School [2] (Cet. 1.--). Jakarta: Grasindo.

Gaya MLA

Ernawati, Florentina., Sirait, Ellen. "English for Elementary School [2]". Cet. 1.-- Jakarta: Grasindo, 2002. Text.