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
Dement`yev, Aleksey Aleksandrovich, author
Prosvesshenie, 1975
Buku Referensi
Yaarantsev, R.I., author
Moskovskogo Universiteta , 1978
Buku Teks
Konopelkyn, Anatolyy Fedorovych, author
Vysshaya shkola, 1973
Buku Teks
Konopelkyn, Anatolyy Fedorovych, author
Moskovskogo Universiteta , 1962
Buku Referensi