Simeone-Senelle, Marie-Claude, The Modern South Arabian Languages, Hetzron, Robert (编), The SemiticLanguages, London: Routledge: 381–382, 1997 在PHOIBLE上搜尋含有[θʼ]的語言
Simeone-Senelle, Marie-Claude. The Modern South Arabian Languages (PDF). Hetzron, R. (编). The SemiticLanguages. London: Routledge. 1997: 378–423 [2017-05-12]
thoughts on studying the endangered Modern South Arabian Languages. Brill's Journal of Afroasiatic Languages and Linguistics. 2017-01-01, 9 (1-2): 9–32