HILTON, R. W. (2000). Cost management strategies for business decisions. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)HILTON, Ronald W. Cost Management Strategies for Business Decisions. McGraw-Hill, 2000.
Lua MLA (8ú heag.)HILTON, Ronald W. Cost Management Strategies for Business Decisions. McGraw-Hill, 2000.
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