Lua APA (7ú heag.)
Plutchik, R. (1968). Foundations of experimental research. Harper & Row.
Lua i Stíl Chicago (17ú heag.)
Plutchik, Robert. Foundations of Experimental Research. New York: Harper & Row, 1968.
Lua MLA (9ú heag.)
Plutchik, Robert. Foundations of Experimental Research. Harper & Row, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.