Havaldar, Krishna K., author
Tata McGraw-Hill, 2005
Buku Teks
Bradley, Frank, author
John Wiley & Sons, Ltd, 2003
Buku Teks
McCarthy, E. Jerome, author
Irwin, 1988
Buku Teks
Kotler, Philip, author
Pearson, 2016
Buku Teks
Kotler, Philip, author
Pearson, 2016
Buku Teks