HEIZER, J., & HEIZER, J. (1999). Operations Management fifth edition/Jay Heizer, Barry Render. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)HEIZER, Jay, agus Jay HEIZER. Operations Management Fifth Edition/Jay Heizer, Barry Render. Prentice Hall, 1999.
Lua MLA (8ú heag.)HEIZER, Jay, agus Jay HEIZER. Operations Management Fifth Edition/Jay Heizer, Barry Render. Prentice Hall, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.