Gaya APA

HARRIS, M., SIKORZYNSKA, A. (2012). CHOICES : PRE-INTERMEDIATE STUDENTS' BOOK (CET. 1). CHINA: PEARSON EDUCATION ASIA.

Gaya MLA

HARRIS, MICHAEL., SIKORZYNSKA, ANNA. "CHOICES : PRE-INTERMEDIATE STUDENTS' BOOK". CET. 1 CHINA: PEARSON EDUCATION ASIA, 2012. Prodi S1 Sastra Inggris.