Syracuse University. Dept. of Psychology & Allport, G. W. (1979). Assessment of human motives. Greenwood Press.
Lua i Stíl Chicago (17ú heag.)Syracuse University. Dept. of Psychology agus Gordon W. Allport. Assessment of Human Motives. Westport, Conn: Greenwood Press, 1979.
Lua MLA (9ú heag.)Syracuse University. Dept. of Psychology agus Gordon W. Allport. Assessment of Human Motives. Greenwood Press, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.