Mitsch, William J.
Wetlands
John Wiley & Sons, 2000
 Buku Teks SO
Trieschmann, James S.
Risk management and insurance / James S. Trieschmann
South - Western college Publishing, 1995
 Buku Teks
White, James J.
Uniform commercial code / by James J. White and Robert S. Summers
West Group, 1995
 Buku Teks
White, James J.
Uniform commercial code / James J. White; Robert S. Summers
West Publishing, 1995
 Buku Teks
White, James J.
Uniform commercial code / James J. White; Robert S. Summers
West Publishing, 1988
 Buku Teks