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
Sale, Kirkpatrick
Revolusi hijau: sebuah tinjauan historis-kritis gerakan lingkungan hidup di Amerika Serikat
Yayasan Obor Indonesia, 1996
 Buku Teks
Twesten, Gary
Wildlife ecology; a guide to the ecological approach of studying the wildlife of the central United States
Illinois Record Printing, 1989
 Buku Teks SO