MARFELS, W. (1982). Gas and arc welding: Revised to Indian standards. Wiley Eastern Limited.
Citazione stile Chigago Style (17a edizione)MARFELS, W. Gas and Arc Welding: Revised to Indian Standards. New Dekhi: Wiley Eastern Limited, 1982.
Citatione MLA (9a ed.)MARFELS, W. Gas and Arc Welding: Revised to Indian Standards. Wiley Eastern Limited, 1982.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.