Cita APA (7th ed.)

Humphreys, K. K., & English, L. M. (1993). Project and cost engineers' handbook (3rd ed., rev. and expanded.). Marcel Dekker.

Cita Chicago (17th ed.)

Humphreys, Kenneth King, i Lloyd M. English. Project and Cost Engineers' Handbook. 3rd ed., rev. and expanded. New York: Marcel Dekker, 1993.

Cita MLA (9th ed.)

Humphreys, Kenneth King, i Lloyd M. English. Project and Cost Engineers' Handbook. 3rd ed., rev. and expanded. Marcel Dekker, 1993.