Wright, Peter, author
Prentice-Hall, 1998
Buku Teks
Pearce, John A., author
Irwin, 1997
Buku Teks
Wright, Peter, author
Allyn and Bacon, 1992
Buku Teks
Thompson, Arthur A., 1940-, author
Business Publications, 1987
Buku Teks
Dess, Gregory G., author
McGraw-Hill/Irwin, 2004
Buku Teks