Gray, J. S. (1941). Psychology in use. New York: American Book Company.
Trích dẫn kiểu ChicagoGray, J. Stanley. Psychology in Use. New York: American Book Company, 1941.
Deismireacht MLAGray, J. Stanley. Psychology in Use. New York: American Book Company, 1941.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.