Gaya APA
WHALLEY, J, F, D, E. (1985).
MOSAIC : A LISTENING/ SPEAKING SKILLS BOOK .
UNITED STATES OF AMERICA:
RANDOM HOUSE.
Gaya MLA
WHALLEY, JAMI, FERRE, DAN, ELIZABETH.
"MOSAIC : A LISTENING/ SPEAKING SKILLS BOOK".
UNITED STATES OF AMERICA:
RANDOM HOUSE,
1985.
Text.