Chirkova & Chen (2013),第369–370頁. Chirkova, Katia; Chen, Yiya, Xumi, Part 1: Lower Xumi, the Variety of the Lower and Middle Reaches of the Shuiluo River, Journal of the International Phonetic Association, 2013, 43 (3): 363–379, doi:10.1017/S0025100313000157
Chirkova, Chen & Kocjančič Antolík (2013),第388–389頁. Chirkova, Katia; Chen, Yiya; Kocjančič Antolík, Tanja, Xumi, Part 2: Upper Xumi, the Variety of the Upper Reaches of the Shuiluo River, Journal of the International Phonetic Association, 2013, 43 (3): 381–396, doi:10.1017/S0025100313000169
Chirkova & Chen (2013),第369頁. Chirkova, Katia; Chen, Yiya, Xumi, Part 1: Lower Xumi, the Variety of the Lower and Middle Reaches of the Shuiluo River, Journal of the International Phonetic Association, 2013, 43 (3): 363–379, doi:10.1017/S0025100313000157