Gaya APA

LITTLEJOHN, A. (2009). WRITING 3 : STUDENT'S BOOK . NEW JERSEY: CAMBRIDGE UNIVERSITY PRESS.

Gaya MLA

LITTLEJOHN, ANDREW. "WRITING 3 : STUDENT'S BOOK". NEW JERSEY: CAMBRIDGE UNIVERSITY PRESS, 2009. Prodi S1 Sastra Inggris.