HAMMER, L. H., & HAMMER, L. H. (1993). Cost Accounting Lawrence H. Hammer, William K. Carter, Millon F. Usry. South-Western Pub.
Lua i Stíl Chicago (17ú heag.)HAMMER, Lawrence H., agus Lawrence H. HAMMER. Cost Accounting Lawrence H. Hammer, William K. Carter, Millon F. Usry. South-Western Pub, 1993.
Lua MLA (8ú heag.)HAMMER, Lawrence H., agus Lawrence H. HAMMER. Cost Accounting Lawrence H. Hammer, William K. Carter, Millon F. Usry. South-Western Pub, 1993.
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