Chernyshevsky, N. G.
Foreign Languages Publishing House, 1953
Buku Teks
Stumpf, Samuel Enoch, 1918-1998
McGraw-Hill, 1971
Buku Teks
George allen & Unwin, ltd, 1948
Buku Teks
Smith, Norman Kemp
The Modern Library, 1958
Buku Teks
Barnes, Winston H.F.
Adam & Charles Black, 1950
Buku Teks