Lee Harrison, editor in chief
McGraw-Hill, 1995
Buku Referensi
edited by Lee Harrison
McGraw-Hill, 1997
Buku Referensi
Lang, Jon, author
Van Nostrand Reinhold, 1994
Buku Referensi
Law, Dennis L.
Van Nostrand Reinhold Company, 1984
Buku Teks
Aronson, Susan S.
HarperCollins Publisher Inc., 1991
Buku Teks