Mowen, John C.
Prentince Hall, 1995
Buku Teks
Mowen, John C.
Macmillan Publishing Company, 1999
Buku Teks
Mowen, John C., author
Prentice-Hall, 1998
Buku Teks
Schiffman, Leon G., author
Pearson Education, Inc., 2007
Buku Teks
Hanna, Nessim, author
Prentice Hall 2001, 2001
Buku Teks