Kemp, Patrick S.
Dow Jones-Irwin, Inc., 1970
Buku Teks
Moore, Carl L., author
South-Western Publishing, 1976
Buku Teks
Moore, Carl L., author
South-Western Publishing, 1984
Buku Teks
Heitger, Lester E., author
South-Western Publishing, 1992
Buku Teks
Titard, Pierre L., author
Dryden Press, 1983
Buku Teks