Gang, P., & Yan, F. (2018). 第九届演化語言學國際研討會會議報告. Journal of Chinese Linguistics, 46(2), 443-453. https://www.airitilibrary.com/Article/Detail?DocID=P20181204001-201806-201902200008-201902200008-443-453
Lee, K. T. (1993). Conservation and recreation in country parks [master's thesis, The University of Hong Kong]. Airiti Library. https://www.airitilibrary.com/Article/Detail?DocID=U0029-1812201200009129