Cita APA (7th ed.)

Burnham, T. H., Hoskins, G. O., & Bramley, D. H. (1945). Engineering economics (5th ed.). Pitman.

Cita Chicago (17th ed.)

Burnham, T. H., G. O. Hoskins, i D. H. Bramley. Engineering Economics. 5th ed. London: Pitman, 1945.

Cita MLA (8th ed.)

Burnham, T. H., et al. Engineering Economics. 5th ed. Pitman, 1945.