APA (7th ed.) Zitazioa
Singh, G., & Chander, S. (1997). Civil engineering drawing (7th ed.). Standard Publisher.
Chicago Style (17th ed.) Zitazioa
Singh, Gurcharan, eta Subhash Chander. Civil Engineering Drawing. 7th ed. New Delhi: Standard Publisher, 1997.
MLA (9th ed.) Zitazioa
Singh, Gurcharan, eta Subhash Chander. Civil Engineering Drawing. 7th ed. Standard Publisher, 1997.
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