Shimp, Terence A., author
South Western Cengage Learning, 2013
Buku Teks
Belch, George E., author
McGraw-Hill, [, 2004]
Buku Teks
Belch, George E., author
McGraw-Hill , 2001
Buku Teks
edited by Clarke L. Caywood
McGraw-Hill, 1997
Buku Referensi
Belch, George E., author
McGraw-Hill, 2015
Buku Teks