Luce, Gordon H., author
J.J. Augustin , 1969
Buku Referensi
Nevalainen, Terttu, author
Edinburgh University Press, 2006
Buku Teks
Halliday, M.A.K., author
Continuum, 2004
Buku Teks
Cather, Willa, 1873-1947, author
The Library of America, 1987
Buku Teks
Smiith, Jeremy J., author
Routledge, 2005
Buku Teks