by Roger A. Kerin ... [and others]
McGraw-Hill, 2002
Buku Teks
Berkowitz, Eric N., author
Times Mirror/Mosby College, 1986
Buku Teks
Keegan, Warren J., author
Pearson, 2011
Buku Teks
Keller, kotler, author
Pearson Education, Inc, 2006
Buku Teks
Converse, Paul Dulaney, 1889-, author
Prentice-Hall, 1958
Buku Teks