Παραπομπή σε μορφή APA (7η εκδ.)

McGraw-Hill, American Association of Cost Engineers, & Humphreys, K. K. (1991). Jelen's cost and optimization engineering (3rd ed.). McGraw-Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

McGraw-Hill, American Association of Cost Engineers, και Kenneth K. Humphreys. Jelen's Cost and Optimization Engineering. 3rd ed. New York: McGraw-Hill, 1991.

Παραπομπή σε μορφή MLA (8th εκδ.)

McGraw-Hill, et al. Jelen's Cost and Optimization Engineering. 3rd ed. McGraw-Hill, 1991.