John Beloff. (1973). Psychological sciences. Crosby Lockwood Staples.
Cita Chicago (17th ed.)John Beloff. Psychological Sciences. London: Crosby Lockwood Staples, 1973.
Cita MLA (9th ed.)John Beloff. Psychological Sciences. Crosby Lockwood Staples, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.