Bates, Chaterine, author
Cambridge University Press, 2009
eBooks
Harvey, Elizabeth D., author
Routledge, 1992
Buku Teks
edited by Ernest Rhys
J.M Dent & Sons, 1927
Buku Teks
Hale, John R., author
Time-Life International, 1969
Buku Teks
edited with an introd. by Edward H. Weatherly
Dell Publishing, 1962
Buku Teks