Gaya APA

ALEXANDER, L. (1990). PRACTICE AND PROGRESS : AN INTEGRATED COURSE FOR PRE-INTERMEDIATE STUDENTS (ED.12). YOGYAKARTA: KANISIUS.

Gaya MLA

ALEXANDER, L.G.. "PRACTICE AND PROGRESS : AN INTEGRATED COURSE FOR PRE-INTERMEDIATE STUDENTS". ED.12 YOGYAKARTA: KANISIUS, 1990. Prodi S1 Sastra Inggris.