Cita APA (7a ed.)

Hariyono, R. (2003). ACTIVE ENGLISH CONVERSATION WITH EXERCISES. GitaMedia Press.

Cita Chicago Style (17a ed.)

Hariyono, Rudy. ACTIVE ENGLISH CONVERSATION WITH EXERCISES. GitaMedia Press, 2003.

Cita MLA (8a ed.)

Hariyono, Rudy. ACTIVE ENGLISH CONVERSATION WITH EXERCISES. GitaMedia Press, 2003.