APPLE, J. M. (1977). Plant layout and material handling.-- Ed.3. John Wiley and Sons.
Lua i Stíl Chicago (17ú heag.)APPLE, James M. Plant Layout and Material Handling.-- Ed.3. New York: John Wiley and Sons, 1977.
Lua MLA (9ú heag.)APPLE, James M. Plant Layout and Material Handling.-- Ed.3. John Wiley and Sons, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.