SINGH, G. (1993). A textbook of estimating costing and valuation. Standard Publishers.
Chicago-čujuhus (17. p.)SINGH, Gurcharan. A Textbook of Estimating Costing and Valuation. Standard Publishers, 1993.
MLA-čujuhus (9. p.)SINGH, Gurcharan. A Textbook of Estimating Costing and Valuation. Standard Publishers, 1993.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.