APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.