Needles, Belverd E., author
Houghton Mifflin, 1993
Buku Teks
Needles, Belverd E., author
Houghton Mifflin, 1990
Buku Teks
Hermanson, Roger H., author
Business Publications, 1980
Buku Teks
Fess, Philip E., author
South-Western, 1989
Buku Teks
Hermanson, Roger H., author
Business Publications, 1986
Buku Teks