APA (7th ed.) Zitazioa
Patra, K. K., & Bhattacharjee, D. (2013). Engineering economics and costing. S. Chand & Company.
Chicago Style (17th ed.) Zitazioa
Patra, K. K., eta Dhiraj Bhattacharjee. Engineering Economics and Costing. New Delhi: S. Chand & Company, 2013.
MLA (9th ed.) Zitazioa
Patra, K. K., eta Dhiraj Bhattacharjee. Engineering Economics and Costing. S. Chand & Company, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.