Gaya APA
Urban, G, L., Hauser, J, R. (1993).
Design and marketing of new products (2nd ed).
Englewood Cliffs, NJ:
Prentice Hall.
Gaya MLA
Urban, Glen, L.., Hauser, John, R..
"Design and marketing of new products".
2nd ed
Englewood Cliffs, NJ:
Prentice Hall,
1993.
Text.