Krylova, Ol`ga Alekseyevna, author
Russkij Yazyk, 1976
Buku Teks
Shchukin, Anatoliy Nikolayevich, author
Moskovskogo Universiteta, 1972
Buku Referensi
Matveeva, V.M., author
Leningradskogo Universiteta, 1972
Buku Teks
Superanskaya, Aleksandra Vasilevna, author
Nauka, 1968
Buku Teks
Vyatyutnev, Mark Nikolayevich, author
Pedagogika, 1973
Buku Referensi