Wagha 1997, p.14. (en) Muhammad Ahsan Wagha, The development of Siraiki language in Pakistan (thèse de Ph.D.), Londres, School of Oriental and African Studies (University of London), (lire en ligne)
Wagha 1997, p.240. (en) Muhammad Ahsan Wagha, The development of Siraiki language in Pakistan (thèse de Ph.D.), Londres, School of Oriental and African Studies (University of London), (lire en ligne)
Daniels 2014, p.38. (en) Peter T. Daniels, «The type and spread of Arabic script», dans The Arabic Script in Africa, Brill, coll.«Studies in Semitic Languages and Linguistics» (no71), , 25–39p. (DOI10.1163/9789004256804_003)