(1991). Production & Inventory Management/donald W. Fogarty. APICS.
Lua i Stíl Chicago (17ú heag.)Production & Inventory Management/donald W. Fogarty. APICS, 1991.
Lua MLA (8ú heag.)Production & Inventory Management/donald W. Fogarty. APICS, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.