Gaya APA
Grammar Guide 3. (1998).
:
McGraw-Hill Book Company.
Gaya Chicago
Grammar Guide 3.
.
:
McGraw-Hill Book Company,
1998.
Text.
Gaya MLA
Grammar Guide 3.
.
:
McGraw-Hill Book Company,
1998.
Text.
Gaya Turabian
Grammar Guide 3.
:
McGraw-Hill Book Company,
1998.
Print.