APA (7e ed.) Bronvermelding

SINGH, G. (1993). A textbook of estimating costing and valuation. Standard Publishers.

Chicago (17e ed.) Bronvermelding

SINGH, Gurcharan. A Textbook of Estimating Costing and Valuation. Standard Publishers, 1993.

MLA (9e ed.) Bronvermelding

SINGH, Gurcharan. A Textbook of Estimating Costing and Valuation. Standard Publishers, 1993.

Let op: Deze citaties zijn niet altijd 100% accuraat.