Bovee, Courtland L., author
Pearson/Prentice Hall, 2007
Buku Teks
Thill, John V., author
McGraw-Hill, 1993
Buku Teks
Shubin, John A., author
Barnes & Noble, 1975
Buku Teks
Gupita, Rajat, foreword
Harvard Business School, 1996
Buku Referensi
Thill, John V., author
McGraw-Hill, 1991
Buku Teks