Harkins, William E., author
Littlefield, Adams, 1959
Buku Referensi
Russian-English, edited by Marcus Wheeler and Boris Unbegaun; English-Russian, edited by Paul Falla; revised and updated by Della Thompson
Oxford University Press, 2007
Buku Referensi
Oxford University Press, 1996
Buku Referensi
Wheeler, Marcus, author
Glarendon Press, 1984
Buku Referensi
Golovinsky, M., author
David Mckay, [date of publication not identified]
Buku Referensi