Gaya APA

Sukarni, E, I., Furaidah, . (2003). Happy with English [5] : English Textbook for Elementary Grade V Semester 1 and 2 (Cet. 1.--). Jakarta: Ganeca Ecaxt.

Gaya MLA

Sukarni, Emalia, Iragiliati., Furaidah, . "Happy with English [5] : English Textbook for Elementary Grade V Semester 1 and 2". Cet. 1.-- Jakarta: Ganeca Ecaxt, 2003. Text.