APA-čujuhus (7. p.)

Drucker P. (2010). The Changing World of the Executive. Harvard Bus.Sch Pub.

Chicago-čujuhus (17. p.)

Drucker P. The Changing World of the Executive. Boston: Harvard Bus.Sch Pub, 2010.

MLA-čujuhus (9. p.)

Drucker P. The Changing World of the Executive. Harvard Bus.Sch Pub, 2010.

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