APA引文
Singh, G., Singh, G., & Chander, S. (2007). Civil engineering drawing. New Delhi.
芝加哥风格引文
Singh, Grucharan, Gurcharan Singh, 与 Subhash Chander. Civil Engineering Drawing. Standard: New Delhi, 2007.
MLA引文
Singh, Grucharan, et al. Civil Engineering Drawing. New Delhi, 2007.
警告:这些引文格式不一定是100%准确.