Gaya APA
SASSERATH, V, J. (1989).
Essentials of understanding psychology: study guide to accompany Feldman .
America:
McGraw-Hill Book Company.
Gaya MLA
SASSERATH, VALERIE, J..
"Essentials of understanding psychology: study guide to accompany Feldman".
America:
McGraw-Hill Book Company,
1989.
Text.