APA

Elanchezhian (C); Vijaya Ramnath (B); Sunder Selwyn (T), . (21). Engineering Metrology. : Eswar Press.

Chicago

Elanchezhian (C); Vijaya Ramnath (B); Sunder Selwyn (T), . 21. Engineering Metrology. : Eswar Press.

Harvard

Elanchezhian (C); Vijaya Ramnath (B); Sunder Selwyn (T), . (21). Engineering Metrology. : Eswar Press.

MLA

Elanchezhian (C); Vijaya Ramnath (B); Sunder Selwyn (T), . Engineering Metrology. : Eswar Press. 21.