Gaya APA
Urban, G, L., Hauser, J, R.
(1993).
Design And Marketing Of New Products
(
2)
.
New Jersey:
Prentice Hall.
Gaya MLA
Urban, Glen, L.., Hauser, John, R..
"Design And Marketing Of New Products".
2
New Jersey:
Prentice Hall,
1993.
Text.