Ahmed, R. H. (1975). Ethnic and socio-cultural pluralism in the Sudan: Its manifestation and effects on national integration. Institute of Public Administration, Democratic Republic of the Sudan.
Čikaški stil citiranja (17. izdanje)Ahmed, Rafia Hassan. Ethnic and Socio-cultural Pluralism in the Sudan: Its Manifestation and Effects on National Integration. Khartoum: Institute of Public Administration, Democratic Republic of the Sudan, 1975.
MLA način citiranja (8. izdanje)Ahmed, Rafia Hassan. Ethnic and Socio-cultural Pluralism in the Sudan: Its Manifestation and Effects on National Integration. Institute of Public Administration, Democratic Republic of the Sudan, 1975.
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