Gaya APA

Nababan, M, R., Education, A, D, O. (1991). English From Radio Australia Book 2=bahasa Inggris Lewat Radio Australia . Jakarta: Pustaka Sinar Harapan.

Gaya MLA

Nababan, M., Rudolf., Education, Australian, Department, Of. "English From Radio Australia Book 2=bahasa Inggris Lewat Radio Australia". Jakarta: Pustaka Sinar Harapan, 1991. Text.