Frey, B. S. (1997). Not just for the money: An economic theory of personal motivation. Elgar.
Chicago Style (17th ed.) CitationFrey, Bruno S. Not Just for the Money: An Economic Theory of Personal Motivation. Cheltenham [u.a.]: Elgar, 1997.
MLA (9th ed.) CitationFrey, Bruno S. Not Just for the Money: An Economic Theory of Personal Motivation. Elgar, 1997.
Warning: These citations may not always be 100% accurate.