Gaya APA

ALTENBERG, E, P., VAGO, R, M. (2010). ENGLISH GRAMMAR : UNDERSTANDING THE BASICS (CET.1). NEW JERSEY: CAMBRIDGE UNIVERSITY PRESS.

Gaya MLA

ALTENBERG, EVELYN, P.., VAGO, ROBERT, M.. "ENGLISH GRAMMAR : UNDERSTANDING THE BASICS". CET.1 NEW JERSEY: CAMBRIDGE UNIVERSITY PRESS, 2010. Prodi S1 Sastra Inggris.