Cita APA (7th ed.)

Collier, C. A., & Ledbetter, W. B. (1982). Engineering cost analysis. Harper & Row.

Cita Chicago (17th ed.)

Collier, Courtland A., i William Burl Ledbetter. Engineering Cost Analysis. New York: Harper & Row, 1982.

Cita MLA (9th ed.)

Collier, Courtland A., i William Burl Ledbetter. Engineering Cost Analysis. Harper & Row, 1982.