Morrison, Blake, author
Methuen , 1986
Buku Teks
Pinto, Vivian de Sola
Hutchinson's University Library, 1951
Buku Teks
Forrest-Thomson, Veronica, author
Manchester University Press, 1978
Buku Teks
edited by Antony Easthope, John O. Thompson
Harvester Wheatsheaf, 1991
Buku Teks
Stepanchev, Stephen, author
Harper and Row, 1965
Buku Teks