Penggayaan APA
BABBIE, Earl R.. ().
The practice of social research .
California:
Wadsworth.
Chicago Style
BABBIE, Earl R..
The practice of social research.
California:
Wadsworth,
.
Text.
MLA Style
BABBIE, Earl R..
The practice of social research.
California:
Wadsworth,
.
Text.
Turabian Style
BABBIE, Earl R..
The practice of social research.
California:
Wadsworth,
.
Print.