↑ Nordhoff, Sebastian; Hammarström, Harald; Forkel, Robert; Haspelmath, Martin biên tập (2013). “Romani”. Glottolog. Leipzig: Max Planck Institute for Evolutionary Anthropology.
↑ Matras (2006)Lỗi harv: không có mục tiêu: CITEREFMatras2006 (trợ giúp)"In some regions of Europe, especially the western margins (Britain, the Iberian peninsula, Scandinavia), Romani-speaking communities have given up their language in favor of the majority language, but have retained Romani-derived vocabulary as an in-group code. Such codes, for instance Angloromani (Britain), Caló (Spain), or Rommani (Scandinavia) are usually referred to as Para-Romani varieties."
↑ Hübschmannová, Milena (1993). Šaj pes dokaveras - Můžeme se domluvit . Olomouc: Pedagogická fakulta UP Olomouc: p. 23. ISBN 80-7067-355-9. (Czech)
