Παραπομπή APA

Drucker, P. F. 1., & Nelson, O. T. (1977). People and performance: The best of Peter Drucker on management. London: Heinemann.

Παραπομπή Chicago Style

Drucker, Peter F. 1909-2005., and Oscar Tivis Nelson. People and Performance: The Best of Peter Drucker On Management. London: Heinemann, 1977.

Παραπομπή MLA

Drucker, Peter F. 1909-2005., and Oscar Tivis Nelson. People and Performance: The Best of Peter Drucker On Management. London: Heinemann, 1977.

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