APA (7th ed.) Zitazioa
Khanna,O. P. (1980). A text book of welding technology. Dhanpat Rai Publications.
Chicago Style (17th ed.) Zitazioa
Khanna,O. P. A Text Book of Welding Technology. New Delhi: Dhanpat Rai Publications, 1980.
MLA (9th ed.) Zitazioa
Khanna,O. P. A Text Book of Welding Technology. Dhanpat Rai Publications, 1980.
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