Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (8a ed.)

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