Citace podle APA (7th ed.)
Drucker, P. F. The Five Most Important Questions: You Will Ever Ask About Your Organization. Jossey-Bass : Leader to Leader Institute.
Citace podle Chicago (17th ed.)
Drucker, Peter F. The Five Most Important Questions: You Will Ever Ask About Your Organization. San Francisco, EUA: Jossey-Bass : Leader to Leader Institute.
Citace podle MLA (9th ed.)
Drucker, Peter F. The Five Most Important Questions: You Will Ever Ask About Your Organization. Jossey-Bass : Leader to Leader Institute.
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