Gaya APA
SUMMERS, Gene F. (1977).
Attitude Measurement .
London:
KERSHAW.
Gaya Chicago
SUMMERS, Gene F.
Attitude Measurement.
London:
KERSHAW,
1977.
Buku Text.
Gaya MLA
SUMMERS, Gene F.
Attitude Measurement.
London:
KERSHAW,
1977.
Buku Text.
Gaya Turabian
SUMMERS, Gene F.
Attitude Measurement.
London:
KERSHAW,
1977.
Buku Text.