Gaya APA
Sherif, C, W. et al (1965).
Attitude and Attitude Change: The Social Judgement-Involvement Approach .
Philadelphia:
W. B. Saunders Company.
Gaya MLA
Sherif, Carolyn, W.. et al.
"Attitude and Attitude Change: The Social Judgement-Involvement Approach".
Philadelphia:
W. B. Saunders Company,
1965.
Art Original.