Ḥasan, Y. F. Dirāsāt fī tārīḫ as-Sūdān. Dār at-Ta'līf wa-'t-Tarǧama wa-'n-Našr.
Chicago Style (17th ed.) CitationḤasan, Yūsuf Faḍl. Dirāsāt Fī Tārīḫ As-Sūdān. al-Ḫarṭūm: Dār at-Ta'līf wa-'t-Tarǧama wa-'n-Našr.
MLA (9th ed.) CitationḤasan, Yūsuf Faḍl. Dirāsāt Fī Tārīḫ As-Sūdān. Dār at-Ta'līf wa-'t-Tarǧama wa-'n-Našr.
Warning: These citations may not always be 100% accurate.