Peter, J. Paul, author
McGraw-Hill, 2004
Buku Teks
Guiltinan, Joseph P., author
McGraw-Hill, 1991
Buku Teks
Guiltinan, Joseph P., author
McGraw-Hill, 1985
Buku Teks
Kotler, Philip, author
Pearson, 2016
Buku Teks
Howard, John A., author
Richard D. Irwin, 1973
Buku Teks