Oxford University Press, 1996
Buku Referensi
edited by P. S. Falla
Clarendon Press, 1990
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
Segal, Louis, author
Frederick A. Praeger, 1959
Buku Referensi
O`brien, M.A., author
George Allen and Unwin, 1930
Buku Referensi