Gaya APA

BULL, V., RETNO, W. (2008). OXFORD LEARNER'S POCKET DICTIONARY . : gadjah mada university press.

Gaya MLA

BULL, VICTORIA., RETNO, WULANDARI,SETYO. "OXFORD LEARNER'S POCKET DICTIONARY". : gadjah mada university press, 2008. Koleksi Umum.