APA
Gupta I.C, . (1997). A text book of engg metrology. : N Delhi Dhanpat Rai & sons.
Chicago
Gupta I.C, . 1997. A text book of engg metrology. : N Delhi Dhanpat Rai & sons.
Harvard
Gupta I.C, . (1997). A text book of engg metrology. : N Delhi Dhanpat Rai & sons.
MLA
Gupta I.C, . A text book of engg metrology. : N Delhi Dhanpat Rai & sons. 1997.