︠I︡Ushchenko. E. K. (1987). Dialogovye sistemy: Annotirovannyĭ tematicheskiĭ ukazatelʹ literatury. Akademi︠i︡a nauk SSSR, Nauch. ︠t︡sentr biologicheskikh issledovaniĭ.
Chicago Style (17th ed.) Citation︠I︡Ushchenko. E. K. Dialogovye Sistemy: Annotirovannyĭ Tematicheskiĭ Ukazatelʹ Literatury. Pushchino: Akademi︠i︡a nauk SSSR, Nauch. ︠t︡sentr biologicheskikh issledovaniĭ, 1987.
MLA (8th ed.) Citation︠I︡Ushchenko. E. K. Dialogovye Sistemy: Annotirovannyĭ Tematicheskiĭ Ukazatelʹ Literatury. Akademi︠i︡a nauk SSSR, Nauch. ︠t︡sentr biologicheskikh issledovaniĭ, 1987.
Warning: These citations may not always be 100% accurate.