Lua APA (7ú heag.)

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.

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