Gardner, R. (2003). Games for business and economics (2nd edition.). John Wiley & Sons.
Chicago-viite (17. p.)Gardner, Roy. Games for Business and Economics. 2nd edition. Hoboken, NJ: John Wiley & Sons, 2003.
MLA-viite (8. p.)Gardner, Roy. Games for Business and Economics. 2nd edition. John Wiley & Sons, 2003.
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