Efimov, V. A. 1986. Iazyk Ormuri: v sinkhronnom i istoricheskom osveshchenii. Moscow: Nauka.
@book{Efimov-1986, address = {Moscow}, author = {Efimov, V. A.}, publisher = {Nauka}, title = {Iazyk Ormuri: v sinkhronnom i istoricheskom osveshchenii}, year = {1986}, iso_code = {oru}, olac_field = {general_linguistics; typology; phonology; phonetics}, wals_code = {orm} }