Não informado. (1960). Management Quarterly. National Rural Electric Cooperative Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Management Quarterly. Washington: National Rural Electric Cooperative Association, 1960.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Management Quarterly. National Rural Electric Cooperative Association, 1960.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.