MAYER, R. R. Production Management Raymond R. Mayer. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)MAYER, Raymond R. Production Management Raymond R. Mayer. McGraw-Hill.
Lua MLA (8ú heag.)MAYER, Raymond R. Production Management Raymond R. Mayer. McGraw-Hill.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.