APA Citatie

Riggs,James L, & Bedworth,D David. (1996). Engineering economics (4.). Tata McGraw Hill.

Chicago Style citaat

Riggs,James L, en Bedworth,D David. Engineering Economics. 4. New Delhi: Tata McGraw Hill, 1996.

MLA citatie

Riggs,James L, en Bedworth,D David. Engineering Economics. 4. Tata McGraw Hill, 1996.