Gaya APA

Alexander, L. G., Ferguson, Peter. (1989). Question and answer : graded oral comprehension exercises (Cet. 6). Yogyakarta: Kanisius.

Gaya Chicago

Alexander, L. G., Ferguson, Peter. Question and answer : graded oral comprehension exercises. Cet. 6 Yogyakarta: Kanisius, 1989. Text.

Gaya MLA

Alexander, L. G., Ferguson, Peter. Question and answer : graded oral comprehension exercises. Cet. 6 Yogyakarta: Kanisius, 1989. Text.

Gaya Turabian

Alexander, L. G., Ferguson, Peter. Question and answer : graded oral comprehension exercises. Cet. 6 Yogyakarta: Kanisius, 1989. Print.