Gaya APA

CROSSLEY, P, D, R, B, A, R. (2013). ASPIRE UPPER INTERMEDIATE STUDENT'S BOOK . : JASON MAN.

Gaya MLA

CROSSLEY, PAUL, DUMMETT,, REBECCA, BENNE, AND, ROBERT. "ASPIRE UPPER INTERMEDIATE STUDENT'S BOOK". : JASON MAN, 2013. Textbook.