Steiner, Henry J., author
Oxford University Press, 2000
Buku Teks
Smith, Rhona K., author
Routledge, 2010
Buku Teks
Forsythe, David P., 1941-, author
University of Nebraska Press, 1983
Buku Teks
Forsythe, David P., 1941-, author
Cambridge University Press, 2012
Buku Teks
McBeth, Adam, author
Oxford Univ Press, 2011
Buku Teks