APA-čujuhus (7. p.)

Drucker, P. F. (2017). The Theory of the Business. Harvard Business Review Press.

Chicago-čujuhus (17. p.)

Drucker, Peter F. The Theory of the Business. Boston, Massachesutts: Harvard Business Review Press, 2017.

MLA-čujuhus (9. p.)

Drucker, Peter F. The Theory of the Business. Harvard Business Review Press, 2017.

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