DRUCKER PETER F. (1990). MANAGING THE NONPROFIT ORGANIZATION: PRINCIPLES AND PRACTICES (1ST.). COLLINS BUSINESS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDRUCKER PETER F. MANAGING THE NONPROFIT ORGANIZATION: PRINCIPLES AND PRACTICES. 1ST. NEW YORK: COLLINS BUSINESS, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDRUCKER PETER F. MANAGING THE NONPROFIT ORGANIZATION: PRINCIPLES AND PRACTICES. 1ST. COLLINS BUSINESS, 1990.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.