Kozhin, Aleksandr Nikitovich, author
Prosvesshenie, 1969
Buku Referensi
Beloshapkova, Vera Arsen`yevna, author
Prosveshhenie, 1967
Buku Referensi
Krylova, Ol`ga Alekseyevna, author
Russkij Yazyk, 1976
Buku Teks
Shakirova, Liya Zakirovna, author
Prosvesyenie, 1978.
Buku Teks
Il`ina, N.Ye., author
Nauka, 1980
Buku Referensi