Blanchard, Benjamin S., author
Prentice-Hall, 1992
Buku Teks
Blanchard, Benjamin S., author
Prentice-Hall, 1981
Buku Teks
G. Don Taylor, editor
CRC Press, 2009
Buku Teks
Bowersox, Donald J., author
McGraw-Hill, 2010
Buku Teks
Donald J. Bowersox [and three others]
McGraw-Hill, 2013
Buku Teks