Forbes 1986, p. 128: "Following his withdrawal to Khotan in July 1934, Ma Hu-shan gradually consolidated his hold over the remote oases of the southern Tarim Basin, effectively establishing a Tungan satrapy where Hui Muslims ruled as colonial masters over their Turkic-speaking Muslim subjects... The territory thus administered from 1934 to 1937 was given the entirely appropriate name of Tunganistan by Walther Heissig.... Ma Hu-shan – who ruled 'Tunganistan' as a complete autocrat, known to his Turkic subjects as padishah (lr. 'king')..." Forbes, Andrew D. W. (9 October 1986). "The Role of the Hui Muslims (Tungans) in Republican Sinkiang". Warlords and Muslims in Chinese Central Asia: A Political History of Republican Sinkiang 1911–1949. CUP Archive. pp. 361–372. ISBN978-0-521-25514-1.
Akiner 2013, p. 296: "It has been suggested that the motive force sustaining this isolated Hui fiefdom (aptly described, at least from a Turkic-speaking Muslim standpoint, as 'Tunganistan')..."
Dillon 2014, p. 103: "[Ma Zhongying's] 36th Division was taken over by his half-brother Ma Hushan who led his troops into Khotan and set up a garrison command, from where he controlled a wide area including Khotan itself and the surrounding counties of Yecheng, Bachu, Pishan, Moyu, Yutian, Ruoqiang and Qiemo, sometimes known humorously by Westerners as Dunganistan. Dillon, Michael (1 August 2014). Xinjiang and the Expansion of Chinese Communist Power: Kashgar in the Early Twentieth Century. Routledge. ISBN978-1-317-64720-1.
Zhou 1989, p. 145. Zhou, Xiyin (1989). 中国少数民族的历史作用 [The historical role of ethnic minorities in China] (in Chinese). Sichuan Nationalities Publishing House. ISBN978-7-5409-0257-5.