Cypanov, E. A. (1990). System of suffixal negations in Permian languages: Report at the Presidium of the Science Centre of the Ural Division of the USSR Academy of Sciences ; 5 july, 1990.
Chicago-Zitierstil (17. Ausg.)Cypanov, Evgenij Aleksandrovič. System of Suffixal Negations in Permian Languages: Report at the Presidium of the Science Centre of the Ural Division of the USSR Academy of Sciences ; 5 July, 1990. Syktyvkar, 1990.
MLA-Zitierstil (9. Ausg.)Cypanov, Evgenij Aleksandrovič. System of Suffixal Negations in Permian Languages: Report at the Presidium of the Science Centre of the Ural Division of the USSR Academy of Sciences ; 5 July, 1990. 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.