Gaya APA

LYONS, L, H, -., HEASLEY, B. (1987). STUDY WRITING : A COURSE IN WRITTEN ENGLISH FOR ACADEMIC AND PROFESSIONAL PURPOSES (CET. 1). NEW YORK: CAMBRIDGE UNIVERSITY PRESS.

Gaya MLA

LYONS, LIZ, HAMP, -., HEASLEY, BEN. "STUDY WRITING : A COURSE IN WRITTEN ENGLISH FOR ACADEMIC AND PROFESSIONAL PURPOSES". CET. 1 NEW YORK: CAMBRIDGE UNIVERSITY PRESS, 1987. Prodi S1 Sastra Inggris.