Cita APA (7th ed.)
Patra, K. K., & Bhattacharjee, D. (2013). Engineering economics and costing. S. Chand & Company.
Cita Chicago (17th ed.)
Patra, K. K., i Dhiraj Bhattacharjee. Engineering Economics and Costing. New Delhi: S. Chand & Company, 2013.
Cita MLA (9th ed.)
Patra, K. K., i Dhiraj Bhattacharjee. Engineering Economics and Costing. S. Chand & Company, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.