Cita APA (7a ed.)
Singh, G., Singh, G., & Chander, S. (2007). Civil engineering drawing. New Delhi.
Cita Chicago Style (17a ed.)
Singh, Grucharan, Gurcharan Singh, y Subhash Chander. Civil Engineering Drawing. Standard: New Delhi, 2007.
Cita MLA (9a ed.)
Singh, Grucharan, et al. Civil Engineering Drawing. New Delhi, 2007.
Precaución: Estas citas no son 100% exactas.