Corman, Calvin W., author
Little, Brown, 1983
Buku Teks
Macintryre, Ewan, author
Blackstone Press, 1998
Buku Referensi
Braucher, Robert, author
Foundation Press, 1953
Buku Teks
Countryman, Vern, author
Little, Brown, 1971
Buku Teks
Braucher, Robert, author
Foundation Press, 1964
Buku Teks