Simons, Harry, author
South-Western Publishing, 1977
Buku Teks
Carlson, Arthur E., author
South-Western Publishing , 1982
Buku Teks
Edwards, James Don, author
Richard D. Irwin , 1986
Buku Teks
Heintz, James A., author
South-Western , 2005
Buku Teks
Heintz, James A., author
South-Western Publishing, 1993
Buku Teks