APA Style
Babbie, Earl R.. (1973).
Survey Research Methods .
California:
WADSWORTH.
Chicago Style
Babbie, Earl R..
Survey Research Methods.
California:
WADSWORTH,
1973.
Teks.
MLA Style
Babbie, Earl R..
Survey Research Methods.
California:
WADSWORTH,
1973.
Teks.
Turabian Style
Babbie, Earl R..
Survey Research Methods.
California:
WADSWORTH,
1973.
Teks.