Gaya APA
Lets write English. (1980).
:
American Book Company.
Gaya Chicago
Lets write English.
.
:
American Book Company,
1980.
.
Gaya MLA
Lets write English.
.
:
American Book Company,
1980.
.
Gaya Turabian
Lets write English.
:
American Book Company,
1980.
.