APA

Khanna (O P), . (1999). Text Book Of Welding Technology. : .

Chicago

Khanna (O P), . 1999. Text Book Of Welding Technology. : .

Harvard

Khanna (O P), . (1999). Text Book Of Welding Technology. : .

MLA

Khanna (O P), . Text Book Of Welding Technology. : . 1999.