Okauru. Federal Inland Revenue Service and Taxation Reforms in Democratic Nigeria. Safari Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOkauru. Federal Inland Revenue Service and Taxation Reforms in Democratic Nigeria. Safari Books.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOkauru. Federal Inland Revenue Service and Taxation Reforms in Democratic Nigeria. Safari Books.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.