David, H.A., author
John Wiley & Sons, 1981
Buku Teks
Moore, David S.
W.H. Freeman, 1979
Buku Teks
Moore, David S.
W.H. Freeman and Company, 2000
Buku Teks
McClave, James T., author
Dellen Publishing, 1979
Buku Teks
Hays, William L., author
Harcourt Brace Colege, 1994
Buku Teks