Al-Shafi'i, M. M. O., & Moustafa, M. A. (2006). ECOWAS and NIGERIA: Featuring : Amalgamation : Prepared for post graduate diploma degree. Institute of national planning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAl-Shafi'i, Mohammed Muneer'deen Olodo, और Moustafa Ahmed Moustafa. ECOWAS and NIGERIA: Featuring : Amalgamation : Prepared for Post Graduate Diploma Degree. Cairo: Institute of national planning, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAl-Shafi'i, Mohammed Muneer'deen Olodo, और Moustafa Ahmed Moustafa. ECOWAS and NIGERIA: Featuring : Amalgamation : Prepared for Post Graduate Diploma Degree. Institute of national planning, 2006.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.