Khavronina, Serafima Alekseyevna, author
Progress Publisher, [date of publication not identified]
Buku Teks
Edited by R. Proffer
Translation Press, 1979
Buku Teks
Preobrazhensky, A. G., author
Columbia University Press, 1951
Buku Referensi
Lusin, Natala
Baron's Education, 1992
Buku Referensi
Hinkel, Eli
Baron's, 1994
Buku Referensi