Drucker, P. F. (1993). The five most important questions you will ever ask about your nonprofit organization: Participant's workbook. Jossey-Bass.
Chicago Style (17th ed.) CitationDrucker, Peter Ferdinand. The Five Most Important Questions You Will Ever Ask About Your Nonprofit Organization: Participant's Workbook. San Francisco: Jossey-Bass, 1993.
MLA (9th ed.) CitationDrucker, Peter Ferdinand. The Five Most Important Questions You Will Ever Ask About Your Nonprofit Organization: Participant's Workbook. Jossey-Bass, 1993.
Warning: These citations may not always be 100% accurate.