Horngren, C. T. Cost accounting: A managerial emphasis (9th ed.). Prentice hall.
Lua i Stíl Chicago (17ú heag.)Horngren, Charles T. Cost Accounting: A Managerial Emphasis. 9th ed. New jersey: Prentice hall.
Lua MLA (9ú heag.)Horngren, Charles T. Cost Accounting: A Managerial Emphasis. 9th ed. Prentice hall.
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