O`Connell, Jeffrey
Commerce Clearing House, 1971
Buku Teks
Keeton, Robert E., author
Dow Jones-Irwin, Inc., 1967
Buku Teks
Keeton, Robert E., author
Little, Brown and Co., 1965
Buku Teks
Poh, Chu Chai, author
LexisNexis, 2010
Buku Teks
Rokes, Willis Park
Cal. Insurors Press , 1971
Buku Teks