Christopher, W. F. (1985). Productivity measurement handbook (2nd ed.). Cambridge, Massachusetts [etc.]: Productivity press.
Citación estilo ChicagoChristopher, William F. Productivity Measurement Handbook. 2nd ed. Cambridge, Massachusetts [etc.]: Productivity press, 1985.
Cita MLAChristopher, William F. Productivity Measurement Handbook. 2nd ed. Cambridge, Massachusetts [etc.]: Productivity press, 1985.
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