Penggayaan APA
BABBIE, Earl R.. (1986).
The practice of social research (ed. 4 th).
California:
Wadsworth.
Chicago Style
BABBIE, Earl R..
The practice of social research.
ed. 4 th
California:
Wadsworth,
1986.
Text.
MLA Style
BABBIE, Earl R..
The practice of social research.
ed. 4 th
California:
Wadsworth,
1986.
Text.
Turabian Style
BABBIE, Earl R..
The practice of social research.
ed. 4 th
California:
Wadsworth,
1986.
Print.