Francis (1999). "The Tonal Phonology of Bantu Ideophones". Malilime: Malawian Journal of Linguistics no.1, 100-120. (pp. 112–119 deals with tone in Chitumbuka
(原始内容存档于2016-08-21). 存档副本. [2016-07-12]. (原始内容存档于2016-08-22). Jianing, Yao. Malawian president supports China’s stance on South China Sea - China Military Online
2016-06-02 _南方日报数字报_南方网. [2016-07-12]. (原始内容存档于2016-08-22). Jianing, Yao. Malawian president supports China’s stance on South China Sea - China Military Online