CHOUDHURY S K HAJRA. (2004). ELEMENTS OF WORKSHOP TECHNOLOGY (13TH.). MEDIA PROMOTORS.
Cita Chicago (17th ed.)CHOUDHURY S K HAJRA. ELEMENTS OF WORKSHOP TECHNOLOGY. 13TH. MUMBAI: MEDIA PROMOTORS, 2004.
Cita MLA (9th ed.)CHOUDHURY S K HAJRA. ELEMENTS OF WORKSHOP TECHNOLOGY. 13TH. MEDIA PROMOTORS, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.