Demers, Richard; Escalante, Fernando; Jelinik, Eloise (1999). „Prominence in Yaqui Words“. International Journal of American Linguistics. 65 (1). JSTOR1265972.
uibk.ac.at
David Willis. Old and Middle Welsh(PDF). Department of Linguistics, University of Cambridge. Suarchyvuotas originalas(PDF) 2021-05-07. Nuoroda tikrinta 2021-05-09.
David Willis. Old and Middle Welsh(PDF). Department of Linguistics, University of Cambridge. Suarchyvuotas originalas(PDF) 2021-05-07. Nuoroda tikrinta 2021-05-09.