DRUCKER, P. F. 2002. Management Challenges for the 21st Century. 1. vyd. New York: HarperBusiness.
APA (7th ed.) CitationDrucker, P. F. (2002). Management Challenges for the 21st Century (1. vyd.). HarperBusiness.
Chicago Style (17th ed.) CitationDrucker, Peter F. Management Challenges for the 21st Century. 1. vyd. New York: HarperBusiness, 2002.
MLA (9th ed.) CitationDrucker, Peter F. Management Challenges for the 21st Century. 1. vyd. HarperBusiness, 2002.
Warning: These citations may not always be 100% accurate.
