Patterson, Jerry E., author
Crown Publishers, 1974
Buku Teks
Levine, Bernard
Apple Press, 1993
Buku Teks
Robbins, Manuel
Van Nostrand Reinhold, 1983
Buku Teks
Fothergill, Richard, author
Clive Bingley , 1984
Buku Teks
West, Morris, author
Hutchinson, [Date of publication not identified]
Buku Teks