Cita APA (7a ed.)

Chapman, P. G. (1993). The economics of training. Harvester Wheatsheaf.

Cita Chicago Style (17a ed.)

Chapman, Paul G. The Economics of Training. New York [etc.]: Harvester Wheatsheaf, 1993.

Cita MLA (9a ed.)

Chapman, Paul G. The Economics of Training. Harvester Wheatsheaf, 1993.