Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (8ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.