Braucher, Robert, author
Foundation Press, 1964
Buku Teks
Braucher, Robert, author
Foundation Press, 1953
Buku Teks
Sutherland, Arthur E.
The Foundation Press, Inc., 1953
Buku Teks
Nimmer, Raymond T.
The Michie Company, 1992
Buku Teks
Fulmer, William E., author
Richard D. Irwin, 1980
Buku Teks