Stevick, Earl W.
Cambridge University Press, 1982
Buku Teks
Timmins, Geoff, author
Sage, 2006
Buku Teks
edited by Albert H. Marckwardt
National Council of Teachers of English, 1968
Buku Teks
Routledge, 2004
Buku Teks
Huckabay, Loucine M. Daderian, author
Mosby Comp., 1980
Buku Teks