Citação norma APA
American Association of Cost Engineers & Humphreys, K. K. (1991). Jelen's cost and optimization engineering (3rd ed.). McGraw-Hill.
Citação norma Chicago
American Association of Cost Engineers and Kenneth K. Humphreys. Jelen's Cost and Optimization Engineering. 3rd ed. New York: McGraw-Hill, 1991.
Citação norma MLA
American Association of Cost Engineers and Kenneth K. Humphreys. Jelen's Cost and Optimization Engineering. 3rd ed. McGraw-Hill, 1991.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.