Martin, Garry, 1941-, author
Prentice-Hall, 1996
Buku Teks
Martin, Garry, 1941-, author
Prentice-Hall International, 1992
Buku Teks
Horton, Paul B., author
Erlangga, 1990
Buku Teks
Mahoney, Michael J., author
Ballinger, 1974
Buku Teks
Kotler, Philip, author
Sage Publications, 2008
Buku Teks