Gaya APA
Cofer, Charles N.. (1972).
Programmed learning aid for introduction to psychology / Charles N. Cofer .
:
Homewood: Learning System Company.
Gaya Chicago
Cofer, Charles N..
Programmed learning aid for introduction to psychology / Charles N. Cofer.
:
Homewood: Learning System Company,
1972.
Buku.
Gaya MLA
Cofer, Charles N..
Programmed learning aid for introduction to psychology / Charles N. Cofer.
:
Homewood: Learning System Company,
1972.
Buku.
Gaya Turabian
Cofer, Charles N..
Programmed learning aid for introduction to psychology / Charles N. Cofer.
:
Homewood: Learning System Company,
1972.
Buku.