Penggayaan APA
SOMMER, Robert. (1980).
A practical guide to behavioral research: .
New York:
Oxford University Press.
Chicago Style
SOMMER, Robert.
A practical guide to behavioral research:.
New York:
Oxford University Press,
1980.
Buku.
MLA Style
SOMMER, Robert.
A practical guide to behavioral research:.
New York:
Oxford University Press,
1980.
Buku.
Turabian Style
SOMMER, Robert.
A practical guide to behavioral research:.
New York:
Oxford University Press,
1980.
Buku.