Gaya APA
Frand, Erwin A.. (1992).
The art of product developmemnt from concept to market .
Tokyo:
Toppan Company.
Gaya Chicago
Frand, Erwin A..
The art of product developmemnt from concept to market.
Tokyo:
Toppan Company,
1992.
.
Gaya MLA
Frand, Erwin A..
The art of product developmemnt from concept to market.
Tokyo:
Toppan Company,
1992.
.
Gaya Turabian
Frand, Erwin A..
The art of product developmemnt from concept to market.
Tokyo:
Toppan Company,
1992.
.