Ballou, Ronald H., author
Englewood Cliffs, Prentice-Hall
Buku Teks
Ballou, Ronald H., author
Prentice-Hall, 1973
Buku Teks
Ballou, Ronald H., author
Prentice-Hall, 2004
Buku Teks
Luo, Wenping, author
Cengage Learninge, 2012
Buku Teks
Bowersox, Donald J., author
McGraw-Hill, 2002
Buku Teks