Marx, M. H., & Cronan-Hillix, W. A. (1979). Systems and theories in psychology (3d ed.). McGraw-Hill.
Chicago Style (17. basım) AtıfMarx, Melvin H., ve W. A. Cronan-Hillix. Systems and Theories in Psychology. 3d ed. New York: McGraw-Hill, 1979.
MLA (8th ed.) AtıfMarx, Melvin H., ve W. A. Cronan-Hillix. Systems and Theories in Psychology. 3d ed. McGraw-Hill, 1979.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..