Cita APA (7a ed.)
American Association of Cost Engineers & Humphreys, K. K. (1991). Jelen's cost and optimization engineering (3rd ed.). McGraw-Hill.
Cita Chicago Style (17a ed.)
American Association of Cost Engineers y Kenneth K. Humphreys. Jelen's Cost and Optimization Engineering. 3rd ed. New York: McGraw-Hill, 1991.
Cita MLA (9a ed.)
American Association of Cost Engineers y Kenneth K. Humphreys. Jelen's Cost and Optimization Engineering. 3rd ed. McGraw-Hill, 1991.
Precaución: Estas citas no son 100% exactas.