Gaya APA
Practice For A Purpose. (1984).
Boston:
HOUGHTON MIFFLIN.
Gaya Chicago
Practice For A Purpose.
.
Boston:
HOUGHTON MIFFLIN,
1984.
.
Gaya MLA
Practice For A Purpose.
.
Boston:
HOUGHTON MIFFLIN,
1984.
.
Gaya Turabian
Practice For A Purpose.
Boston:
HOUGHTON MIFFLIN,
1984.
.