Gaya APA
Robinson, P, W., APDFI, I. (1981).
Fundamentals of Experimental Psychology (Second Edition).
United States of America:
Prentice Hall, Inc..
Gaya MLA
Robinson, Paul, W., APDFI, Internasional..
"Fundamentals of Experimental Psychology".
Second Edition
United States of America:
Prentice Hall, Inc.,
1981.
Text.