APA-čujuhus (7. p.)
Patra, K. K., & Bhattacharjee, D. (2013). Engineering economics and costing. S. Chand & Company.
Chicago-čujuhus (17. p.)
Patra, K. K., juo Dhiraj Bhattacharjee. Engineering Economics and Costing. New Delhi: S. Chand & Company, 2013.
MLA-čujuhus (9. p.)
Patra, K. K., juo Dhiraj Bhattacharjee. Engineering Economics and Costing. S. Chand & Company, 2013.
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