Gaya APA
Clarizio, H, F. et al (1987).
Contemporary Issues in Educational Psychology (Ed.15, Cet. 2).
Singapura:
McGraw-Hill Book Company.
Gaya MLA
Clarizio, Harvey, F.. et al.
"Contemporary Issues in Educational Psychology".
Ed.15, Cet. 2
Singapura:
McGraw-Hill Book Company,
1987.
Text.