Gaya APA
Richard C. Yorkey, Dkk. ().
English For International Communication .
:
American Book Company.
Gaya Chicago
Richard C. Yorkey, Dkk.
English For International Communication.
:
American Book Company,
.
Text.
Gaya MLA
Richard C. Yorkey, Dkk.
English For International Communication.
:
American Book Company,
.
Text.
Gaya Turabian
Richard C. Yorkey, Dkk.
English For International Communication.
:
American Book Company,
.
Print.