Hariyono, R. (2003). ACTIVE ENGLISH CONVERSATION WITH EXERCISES. GitaMedia Press.
Chicago (17e ed.) BronvermeldingHariyono, Rudy. ACTIVE ENGLISH CONVERSATION WITH EXERCISES. GitaMedia Press, 2003.
MLA (8e ed.) BronvermeldingHariyono, Rudy. ACTIVE ENGLISH CONVERSATION WITH EXERCISES. GitaMedia Press, 2003.
Let op: Deze citaties zijn niet altijd 100% accuraat.