↑Awde, Nicholas, Ahmad, da Malam Barau. "21st century" Hausa: an English-Hausa Classified Word List. London: Centre for African Language Learning, 1987. 91.
↑Bargery, G. P. A Hausa-English Dictionary and English-Hausa Vocabulary. 2nd ed. Zaria, Nigeria: Ahmadu Bello University Press, 1993. 234.