Titard, Pierre L., author
Dryden Press, 1983
Buku Teks
Schmiedicke, Albert E., author
Ohio South-Western Publishing , 1988
Buku Teks
Garrison, Ray H.,
Business Publications, 1985
Buku Teks
Garrison, Ray H.,
Irwin, 1997
Buku Teks
Maher, Michael W., 1946-, author
Richard D. Irwin , 1997
Buku Teks