Keller, W. (1966). Management accounting for profit control (2nd.). Mc Graw Hill.
Lua i Stíl Chicago (17ú heag.)Keller, Wayne. Management Accounting for Profit Control. 2nd. New York: Mc Graw Hill, 1966.
Lua MLA (9ú heag.)Keller, Wayne. Management Accounting for Profit Control. 2nd. Mc Graw Hill, 1966.
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