Cita APA (7a ed.)
Varghese, P. (2013). Engineering graphics. McGraw Hill Education (I) Pvt.Ltd.
Cita Chicago Style (17a ed.)
Varghese, P.I. Engineering Graphics. New Delhi: McGraw Hill Education (I) Pvt.Ltd, 2013.
Cita MLA (9a ed.)
Varghese, P.I. Engineering Graphics. McGraw Hill Education (I) Pvt.Ltd, 2013.
Precaución: Estas citas no son 100% exactas.