Cita APA (7th ed.)

Sullivan, W. G., Wicks, E. M., & Luxhoj, J. T. (2006). Understanding engineering economy (13th ed.). Pearson Education South Asia Pte Ltd.

Cita Chicago (17th ed.)

Sullivan, William G., Elin M. Wicks, i James T. Luxhoj. Understanding Engineering Economy. 13th ed. Singapore: Pearson Education South Asia Pte Ltd, 2006.

Cita MLA (9th ed.)

Sullivan, William G., et al. Understanding Engineering Economy. 13th ed. Pearson Education South Asia Pte Ltd, 2006.