Koblyakov, I. K.
Progress, 1976
Buku Teks
Foreign Languages Publishing House, 1959
Buku Teks
Chrusjtjov, N.S.
Bagian Penerangan Kedutaan Besar URSS, 1960
Buku Teks
Foreign Languages Publishing House, 1957
Buku Teks
Novisti Press, [date of publication not identified]
Buku Teks