APA (7th ed.) Citation

Heng, R. W. K. (2009). Variation orders in design and build contracts.

Chicago Style (17th ed.) Citation

Heng, Robert Wei Kiong. Variation Orders in Design and Build Contracts. 2009.

MLA (8th ed.) Citation

Heng, Robert Wei Kiong. Variation Orders in Design and Build Contracts. 2009.

Warning: These citations may not always be 100% accurate.