APA-viite (7. p.)
Campbell, D. E. (2006). Incentives: Motivation and the economics of information (2nd ed.). Cambridge University Press.
Chicago-viite (17. p.)
Campbell, Donald E. Incentives: Motivation and the Economics of Information. 2nd ed. Cambridge [England] ; New York: Cambridge University Press, 2006.
MLA-viite (9. p.)
Campbell, Donald E. Incentives: Motivation and the Economics of Information. 2nd ed. Cambridge University Press, 2006.
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