Pèire Bec, "Occitan", in Rebecca Posner, John N. Green eds. 1982. Language and philology in Romance. Walter de Gruyter. Reprint Volume 3 Language and Philology in Romance. 2011. Berlin, Boston: De Gruyter Mouton. Retrieved 24 Nov. 2015, from http://www.degruyter.com/view/product/48412Archived 2018-06-20 at the Wayback Machine
Pèire Bec, "Occitan", in Rebecca Posner, John N. Green eds. 1982. Language and philology in Romance. Walter de Gruyter. Reprint Volume 3 Language and Philology in Romance. 2011. Berlin, Boston: De Gruyter Mouton. Retrieved 24 Nov. 2015, from http://www.degruyter.com/view/product/48412Archived 2018-06-20 at the Wayback Machine