Original from the University of Michigan Digitized Jul 23, 2011Herold Jacob Wiens (1967). Han Chinese expansion in South China (reprint ed.). Shoe String Press. p. 276. Retrieved March 1, 2012.
about the population of Wugang City, according to the comprehensive analysis on the 2010 Population Census of Wugang City (10-Feb-12): 邵阳市2010年第六次全国人口普查主要数据公报, or doc88.com
about the divisions of Wugang City (December 2, 2015), according to the result on adjustment of township-level administrative divisions of Wugang City on December 2, 2015: rednet.cn: 《湖南省民政厅关于同意武冈市乡镇区划调整方案的批复》(湘民行发〔2015〕119号)
tjcn.org
about the population of Wugang City, according to the comprehensive analysis on the 2010 Population Census of Wugang City (10-Feb-12): 邵阳市2010年第六次全国人口普查主要数据公报, or doc88.com