East-Central State (Nigeria). Ministry of Economic Development and Reconstruction. (1971). First development plan, 1970-1974: Programme of post-war reconstruction. Govt. Printer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEast-Central State (Nigeria). Ministry of Economic Development and Reconstruction. First Development Plan, 1970-1974: Programme of Post-war Reconstruction. Enugu: Govt. Printer, 1971.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEast-Central State (Nigeria). Ministry of Economic Development and Reconstruction. First Development Plan, 1970-1974: Programme of Post-war Reconstruction. Govt. Printer, 1971.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.