Gaya APA
Pettijohn, Terry F.. (1974).
Psychology : a concise introduction .
Guilford, Connecticut:
The Dushkin Publishng Group.
Gaya Chicago
Pettijohn, Terry F..
Psychology : a concise introduction.
Guilford, Connecticut:
The Dushkin Publishng Group,
1974.
Text.
Gaya MLA
Pettijohn, Terry F..
Psychology : a concise introduction.
Guilford, Connecticut:
The Dushkin Publishng Group,
1974.
Text.
Gaya Turabian
Pettijohn, Terry F..
Psychology : a concise introduction.
Guilford, Connecticut:
The Dushkin Publishng Group,
1974.
Print.