Sink, D. S. (1985). Productivity management: Planning, measurement and evaluation, control, and improvement. Wiley.
Lua i Stíl Chicago (17ú heag.)Sink, D. Scott. Productivity Management: Planning, Measurement and Evaluation, Control, and Improvement. New York: Wiley, 1985.
Lua MLA (9ú heag.)Sink, D. Scott. Productivity Management: Planning, Measurement and Evaluation, Control, and Improvement. Wiley, 1985.
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