APA (7e ed.) Bronvermelding
Singh, G., & Chander, S. (1997). Civil engineering drawing (7th ed.). Standard Publisher.
Chicago (17e ed.) Bronvermelding
Singh, Gurcharan, en Subhash Chander. Civil Engineering Drawing. 7th ed. New Delhi: Standard Publisher, 1997.
MLA (9e ed.) Bronvermelding
Singh, Gurcharan, en Subhash Chander. Civil Engineering Drawing. 7th ed. Standard Publisher, 1997.
Let op: Deze citaties zijn niet altijd 100% accuraat.