keat, p. g., & Thomas, C. R. (1992). managerial economics: Economic tools for today's decision makers. macmillan publishing company.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)keat, paul g., ба Christopher R. Thomas. Managerial Economics: Economic Tools for Today's Decision Makers. new york: macmillan publishing company, 1992.
MLA -ийн эшлэл (9 дэх хэвлэлт)keat, paul g., ба Christopher R. Thomas. Managerial Economics: Economic Tools for Today's Decision Makers. macmillan publishing company, 1992.