Ozhegov, S.I., author
Russkij Yazyk, 1981
Buku Referensi
Kozhina, Margarita Nikolayevna, author
Prosveshheeniw, 1983
Buku Teks
Dudnikov, A.V., author
Prosveshchenie , 1970
Buku Teks
Vannikov, Yuriy Vennaminovich, author
Prosveshhenie, 1969
Buku Referensi
Aleksandrova, Z.G., author
Sovetskaya Entsiklopedija, 1969
Buku Referensi