Vul`fson, R.Ye., author
Prosveshhenie, 1967
Buku Referensi
Stephanova, L.V., author
Moskovskogo universiteta, 1966
Buku Teks
Yaarantsev, R.I., author
Moskovskogo Universiteta , 1978
Buku Teks
Амиантова Э. И. и др. E.I. Amiantova, G.A. Bitextina, A. I. Gorbachik, Natalya Andreyevna Lobanova, Irma Petrovna Slesareva
Russkij Yazyk, 1975
Buku Referensi
Koester, Sola, author
Max Hueber Verlag, 1979
Buku Referensi