Gaya APA
TRUE, J, A. (1983).
FINDING OUT : CONDUCTING AND EVALUATING SOCIAL RESEARCH .
Belmont, California:
Wadsworth Publishing.
Gaya MLA
TRUE, June, Audrey.
"FINDING OUT : CONDUCTING AND EVALUATING SOCIAL RESEARCH".
Belmont, California:
Wadsworth Publishing,
1983.
Textbook.