Gaya APA

ALEXANDER, L. (1990). NEW CONCEPT ENGLISH DEVELOPING SKILLS : AN INTEGRATED COURSE FOR INTERMEDIATE STUDENTS (CET. 13). YOGYAKARTA: KANISIUS.

Gaya MLA

ALEXANDER, L.G.. "NEW CONCEPT ENGLISH DEVELOPING SKILLS : AN INTEGRATED COURSE FOR INTERMEDIATE STUDENTS". CET. 13 YOGYAKARTA: KANISIUS, 1990. Prodi S1 Sastra Inggris.