Ebert, Ronald J., author
Prentice-Hall, 1998
Buku Teks
Straub, Joseph T., author
Kent, 1985
Buku Teks
Monsen, R. Joseph, author
Houghton Mifflin, 1967
Buku Teks
Feigin, Gerald, author
Business Expert Press, 2011
Buku Teks
Pride, William M., author
Hougton-Mifflin, 1988
Buku Teks