Drucker, Peter F. The theory of the business [online]. Boston, Massachusetts: Harvard Business Review Press, [2017], ©2017. Harvard Business Review Classics 
Drucker, P. F. 1. (2017). The theory of the business. Boston, Massachusetts: Harvard Business Review Press.
Styl ChicagoDrucker, Peter F. 1909-2005. The Theory of the Business. Boston, Massachusetts: Harvard Business Review Press, 2017.
Citace podle MLADrucker, Peter F. 1909-2005. The Theory of the Business. Boston, Massachusetts: Harvard Business Review Press, 2017.
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