Gaya APA
Bingham, F, G., Gomes, R.
(2001).
Business marketing ed. 2
(
2)
.
Boston:
NTC/ Contemporary publishing Group.
Gaya MLA
Bingham, Frank, G., Gomes, Roger.
"Business marketing ed. 2".
2
Boston:
NTC/ Contemporary publishing Group,
2001.
Text.