↑Paul Benedict, Sino-Tibetan: a Conspectus, Cambridge University Press, p. 27. James Matisoff, Handbook of Proto-Tibeto-Burman, University of California Press, 2003, pp. 330, 335. Axel Schuessler, ABC Etymological Dictionary of old chinese, University of Hawaii Press, 2006, p. 452.
↑Guillaume Jacques, On the Cluster *Sr- in Sino-Tibetan, Journal of Chinese Linguistics, 43(1), 2015, pp. 215-223.
↑André-Georges Haudricourt, Comment reconstruire le chinois archaïque. Word, 10, 1954, pp. 351–364. R.A.D. Forrest, Les occlusives finales en chinois archaïque. Bulletin de la Société de linguistique de Paris, 55, 1960, pp. 228–239. 周法高 『中国古代語法(構詞編)』 中央研究院歴史語言研究所、1962年。