Little,Brown and Company, 1975
Buku Teks
Postlewaite, Philip F., author
West Publisher, 1997
Buku Teks
edited by Jerry S. Rosenbloom
Dow Jones-Irwin, 1984
Buku Referensi
Gifford, William C., author
Tax Management, 1974
Buku Teks
Dow Jones-Irwin, 1984
Buku Teks