Penggayaan APA
BABBIE, Earl r. (1973).
Survey research methods .
California:
Wadsworth.
Chicago Style
BABBIE, Earl r.
Survey research methods.
California:
Wadsworth,
1973.
Buku.
MLA Style
BABBIE, Earl r.
Survey research methods.
California:
Wadsworth,
1973.
Buku.
Turabian Style
BABBIE, Earl r.
Survey research methods.
California:
Wadsworth,
1973.
Buku.