Gaya APA
Babbie, Earl R.. (1979).
The Practice Of Social Research (2).
California:
Wadsworth Publishing Company, Inc..
Gaya Chicago
Babbie, Earl R..
The Practice Of Social Research.
2
California:
Wadsworth Publishing Company, Inc.,
1979.
Text.
Gaya MLA
Babbie, Earl R..
The Practice Of Social Research.
2
California:
Wadsworth Publishing Company, Inc.,
1979.
Text.
Gaya Turabian
Babbie, Earl R..
The Practice Of Social Research.
2
California:
Wadsworth Publishing Company, Inc.,
1979.
Print.