Gaya APA
Linguistics readers 6A. (1997).
Jakarta:
Proffesional Books.
Gaya Chicago
Linguistics readers 6A.
.
Jakarta:
Proffesional Books,
1997.
Text.
Gaya MLA
Linguistics readers 6A.
.
Jakarta:
Proffesional Books,
1997.
Text.
Gaya Turabian
Linguistics readers 6A.
Jakarta:
Proffesional Books,
1997.
Print.