Cita APA (7th ed.)

Granat, E. L., & Ireson, W. G. (1964). Principles of engineering economy (4a. ed.). The Ronald.

Cita Chicago (17th ed.)

Granat, Eugene L., i William Grant Ireson. Principles of Engineering Economy. 4a. ed. Nueva York: The Ronald, 1964.

Cita MLA (9th ed.)

Granat, Eugene L., i William Grant Ireson. Principles of Engineering Economy. 4a. ed. The Ronald, 1964.