SINGH, G. (1993). A textbook of estimating costing and valuation. Standard Publishers.
Cita Chicago (17th ed.)SINGH, Gurcharan. A Textbook of Estimating Costing and Valuation. Standard Publishers, 1993.
Cita MLA (9th ed.)SINGH, Gurcharan. A Textbook of Estimating Costing and Valuation. Standard Publishers, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.