WOELFEL, C. J. Budgeting Pricing & Cost Controls A Dekstop Encyclopedia Charles J. Woelfel. Probus, Publishing.
Lua i Stíl Chicago (17ú heag.)WOELFEL, Charles J. Budgeting Pricing & Cost Controls A Dekstop Encyclopedia Charles J. Woelfel. Probus, Publishing.
Lua MLA (8ú heag.)WOELFEL, Charles J. Budgeting Pricing & Cost Controls A Dekstop Encyclopedia Charles J. Woelfel. Probus, Publishing.
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