APA način citiranja (7. izdanje)
American Association of Cost Engineers & Humphreys, K. K. (1991). Jelen's cost and optimization engineering (3rd ed.). McGraw-Hill.
Čikaški stil citiranja (17. izdanje)
American Association of Cost Engineers i Kenneth K. Humphreys. Jelen's Cost and Optimization Engineering. 3rd ed. New York: McGraw-Hill, 1991.
MLA način citiranja (9. izdanje)
American Association of Cost Engineers i Kenneth K. Humphreys. Jelen's Cost and Optimization Engineering. 3rd ed. McGraw-Hill, 1991.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.