Gaya APA
Yates, C, S, J.
(1991).
English In Tourism : May I Help You?
(
Cetakan I)
.
London:
CASSELL ILLUSTRATED.
Gaya MLA
Yates, Christopher, St, J.
"English In Tourism : May I Help You?".
Cetakan I
London:
CASSELL ILLUSTRATED,
1991.
.