Bahasa Sawai dikategorikan sebagai C6b Threatened menurut SIL Ethnologue, artinya bahasa ini mulai terancam dan mengalami penurunan jumlah penutur dari waktu ke waktu
Burquest, Donald A.; & Laidig, Wyn D. (Eds.). (1992). Phonological studies in four languages of Maluku. The Summer Institute of Linguistics and the University of Texas at Arlington publications in linguistics (No. 108). Dallas: The Summer Institute of Linguistics, The University of Texas at Arlington, and Pattimura University. ISBN 0-88312-803-9.
Whistler, Ronald. (1992). Phonology of Sawai. In D. A. Burquest & W. D. Laidig (Eds.), Phonological studies in four languages of Maluku (pp.7–32). Dallas: The Summer Institute of Linguistics, The University of Texas at Arlington, and Pattimura University.
Whisler, Ronald; & Whisler, Jacqui,Simon Burnama (1995). Sawai: Introduction and wordlist. In D. T. Tryon (Ed.), Comparative Austronesian dictionary: An introduction to Austronesian studies (part 1: fascicle 1, pp.659–65). Trends in linguistics, Documentation (No. 10). Berlin: Mouton de Gruyter.
↑Hammarström, Harald; Forkel, Robert; Haspelmath, Martin, ed. (2023). "Sawai". Glottolog 4.8. Jena, Jerman: Max Planck Institute for the Science of Human History. ; ;
↑"Bahasa Sawai". www.ethnologue.com (dalam bahasa Inggris). SIL Ethnologue.
