Ray, Mary Barnard, author
Thomson West, 2008
Buku Teks
Biskind, Elliott L., author
Clark Boardman, 1971
Buku Teks
Biskind, Elliott L., author
Clark Boardman, 1971
Buku Teks
Garner, Bryan A., author
The University of Chicago Press, 2001
Buku Teks
Haggard, Thomas R., author
West Publishing, 1996
Buku Teks