Gaya APA
Chin, P., Koizumi, Y. (2012).
ACADEMIC WRITING SKILLS 1 (Student's Book) .
Singapore:
CAMBRIDGE UNIVERSITY PRESS.
Gaya MLA
Chin, Peter., Koizumi, Yusa.
"ACADEMIC WRITING SKILLS 1 (Student's Book)".
Singapore:
CAMBRIDGE UNIVERSITY PRESS,
2012.
Text.