Guelzo, Carl M.
Prentica-Hall , 1986
Buku Teks
Bowersox, Donald J., author
McGraw-Hill, 2010
Buku Teks
Donald J. Bowersox [and three others]
McGraw-Hill, 2013
Buku Teks
Bowersox, Donald J., author
McGraw-Hill, 2002
Buku Teks
Ballou, Ronald H.
Prentice-Hall, 1973
Buku Teks