King, James J.
The environmental dictionary: and regulatory cross reference
John Wiley & Sons, 1995
 Buku Referensi
Choper, Jesse H.
Gilbert law summaries : corporations
Harcourt Brace Legal and Profesional Publications, 1989
 Buku Teks
Conviser, Richard J.
Gilbert law summaries : first year law study
HBJ, 1990
 Buku Teks
The Random House American everyday dictionary
edited by Jess Stein
Random House, 1961
 Buku Referensi
Crumbley, D Larry
Dictionary of tax terms / D. Larry Crumbley, Jack P. Friedman and Susan B. Anders
Barron's Educational Series, 1994
 Buku Teks