Cita APA (7a ed.)

Singh, G., & Singh, J. (1993). Estimating costing and valuation. Standard Publishers Distributors.

Cita Chicago Style (17a ed.)

Singh, Gurcharan, y Jagdish Singh. Estimating Costing and Valuation. India: Standard Publishers Distributors, 1993.

Cita MLA (8a ed.)

Singh, Gurcharan, y Jagdish Singh. Estimating Costing and Valuation. Standard Publishers Distributors, 1993.