Koblyakov, I. K.
Progress, 1976
Buku Teks
Oxford University Press, 1951
Buku Teks
Fischer, Louis, author
Princeton University Press, 1951
Buku Teks
Miller, Wright
E.P. Dutton, 1961
Buku Teks
edited by Alexander Dallin, Gail W. Lapidus
Westerview Press, 1991
Buku Teks