Cita APA (7th ed.)

Jelen, F. C., & Black, J. H. (1983). Cost and optimization engineering (2a. ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Jelen, Frederic C., i James Hay Black. Cost and Optimization Engineering. 2a. ed. Nueva York: McGraw-Hill, 1983.

Cita MLA (9th ed.)

Jelen, Frederic C., i James Hay Black. Cost and Optimization Engineering. 2a. ed. McGraw-Hill, 1983.