APA Style
Babbie, Earl. (1983).
The practice of social research .
California:
Wadsworth.
Chicago Style
Babbie, Earl.
The practice of social research.
California:
Wadsworth,
1983.
Buku Teks.
MLA Style
Babbie, Earl.
The practice of social research.
California:
Wadsworth,
1983.
Buku Teks.
Turabian Style
Babbie, Earl.
The practice of social research.
California:
Wadsworth,
1983.
Buku Teks.