Gaya APA
kapan,robert. (1982).
PROSEDUR PENEITIAN .
New York:
prestice ha.
Gaya Chicago
kapan,robert.
PROSEDUR PENEITIAN.
New York:
prestice ha,
1982.
Text.
Gaya MLA
kapan,robert.
PROSEDUR PENEITIAN.
New York:
prestice ha,
1982.
Text.
Gaya Turabian
kapan,robert.
PROSEDUR PENEITIAN.
New York:
prestice ha,
1982.
Print.