Gaya APA
Freedman, J, L. et al (1974).
Social Psychology : Second edition (Ed.2).
Englewood Cliffs, New Jersey:
Prentice -Hall, Inc.,.
Gaya MLA
Freedman, Jonathan, L.. et al.
"Social Psychology : Second edition".
Ed.2
Englewood Cliffs, New Jersey:
Prentice -Hall, Inc.,,
1974.
Text.