KHANNA , O. (1986). WELDING TECHNOLOGY. DHANPAT RAI & SONS.
Lua i Stíl Chicago (17ú heag.)KHANNA , O.P. WELDING TECHNOLOGY. DELHI: DHANPAT RAI & SONS, 1986.
Lua MLA (9ú heag.)KHANNA , O.P. WELDING TECHNOLOGY. DHANPAT RAI & SONS, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.