Ethnologue: Languages of the World, 16th Edition (2009) . (2009) · edited by M. Paul Lewis · SIL International http://www.ethnologue.com/

Atlas of the World’s Languages in Danger . Christopher Moseley (ed.) (2010) · UNESCO Publishing http://www.unesco.org/culture/en/endangeredlanguages/atlas

Glottolog . http://www.glottolog.org/glottolog/

ALVĪRĪ . E. Yarshater (2011) · In Encyclopaedia Iranica http://www.iranicaonline.org/articles/alviri-dialect-of-the-central-group-spoken-in-the-village-of-alvir

Endangered Languages Catalogue Project. Compiled by research teams at University of Hawai'i Mānoa and Institute for Language Information and Technology (LINGUIST List) at Eastern Michigan University . (2012) ·

Guyeš-e Vīdari ( pp. 20-38 ) . Baghbidi, Hassan Rezai (2004) · Guyeš-Šenāsi. 3