Gaya APA

Ernawati, F., Purwanti, E, I. (2002). English for Elementary School 3 (Cetakan ke - 1 , 2002). Jakarta: Grasindo.

Gaya MLA

Ernawati, Florentina., Purwanti, Elisabeth, Ida. "English for Elementary School 3". Cetakan ke - 1 , 2002 Jakarta: Grasindo, 2002. Text.