Griffin, Ricky W., author
Prentice-Hall, 2002
Buku Teks
Hill, Charles W. L., author
McGraw-Hill, 2012.
Buku Teks
Griffin, Ricky W., author
Pearson, 2015
Buku Teks
edited by Dennis Campbell
Kluwer Law and Taxation, 1991
Buku Teks
Okolie, Charles Chukwuma, author
Frederick A. Praeger, 1975
Buku Teks