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.
芝加哥风格引文Al-Shafi'i, Mohammed Muneer'deen Olodo, 与 Moustafa Ahmed Moustafa. ECOWAS and NIGERIA: Featuring : Amalgamation : Prepared for Post Graduate Diploma Degree. Cairo: Institute of national planning, 2006.
MLA引文Al-Shafi'i, Mohammed Muneer'deen Olodo, 与 Moustafa Ahmed Moustafa. ECOWAS and NIGERIA: Featuring : Amalgamation : Prepared for Post Graduate Diploma Degree. Institute of national planning, 2006.
警告：这些引文格式不一定是100％准确.