Gaya APA
WILLIAMS, D. ().
SPEAKOUT INTERMEDIATE TEACHERS RESOURCE BOOK .
UNITED STATES OF AMERICA:
PEARSON LONGMAN.
Gaya MLA
WILLIAMS, DAMIAN.
"SPEAKOUT INTERMEDIATE TEACHERS RESOURCE BOOK".
UNITED STATES OF AMERICA:
PEARSON LONGMAN,
.
PENDIDIKAN BAHASA INGGRIS.