Gaya APA
A Practical English Grammar (4th ed.). (1986).
:
.
Gaya Chicago
A Practical English Grammar (4th ed.).
Ed. IV.
:
,
1986.
Text.
Gaya MLA
A Practical English Grammar (4th ed.).
Ed. IV.
:
,
1986.
Text.
Gaya Turabian
A Practical English Grammar (4th ed.).
:
,
1986.
Print.