Gaya APA

BAKER, A. (1999). TREE OR THREE! AN ELEMENTARY PRONUNCIATION COURSE (CET. 1). NEW YORK: CAMBRIDGE UNIVERSITY PRESS.

Gaya MLA

BAKER, ANN. "TREE OR THREE! AN ELEMENTARY PRONUNCIATION COURSE". CET. 1 NEW YORK: CAMBRIDGE UNIVERSITY PRESS, 1999. Prodi S1 Sastra Inggris.