keat, p. g., & Thomas, C. R. (1992). managerial economics: Economic tools for today's decision makers. macmillan publishing company.
Chicago-viite (17. p.)keat, paul g., ja Christopher R. Thomas. Managerial Economics: Economic Tools for Today's Decision Makers. new york: macmillan publishing company, 1992.
MLA-viite (9. p.)keat, paul g., ja Christopher R. Thomas. Managerial Economics: Economic Tools for Today's Decision Makers. macmillan publishing company, 1992.
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