Gaya APA

RICHARDS, J, C. et al (2013). INTERCHANGE FOURTH EDITION : STUDENT'S BOOK 1 (ED.4). DUBAI: CAMBRIDGE UNIVERSITY PRESS.

Gaya MLA

RICHARDS, JACK, C.. et al. "INTERCHANGE FOURTH EDITION : STUDENT'S BOOK 1". ED.4 DUBAI: CAMBRIDGE UNIVERSITY PRESS, 2013. Text.