Panneerselvam R. (2020). Engineering Economy (02nd.). PHI Learning.
Chicago-čujuhus (17. p.)Panneerselvam R. Engineering Economy. 02nd. New Delhi: PHI Learning, 2020.
MLA-čujuhus (9. p.)Panneerselvam R. Engineering Economy. 02nd. PHI Learning, 2020.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.