Gaya APA
Guthrie, Robert V. [Ed]. (1968).
Psychology in the world today .
California:
Addison - Wesley.
Gaya Chicago
Guthrie, Robert V. [Ed].
Psychology in the world today.
California:
Addison - Wesley,
1968.
Text.
Gaya MLA
Guthrie, Robert V. [Ed].
Psychology in the world today.
California:
Addison - Wesley,
1968.
Text.
Gaya Turabian
Guthrie, Robert V. [Ed].
Psychology in the world today.
California:
Addison - Wesley,
1968.
Print.