APA Style

Gruenwalp, G. (1992). Pengembangan Produk Baru(New Product Development) (cet. IV). Jakarta: Jakarta, Alex Media Computindo.

MLA Style

Gruenwalp, George. "Pengembangan Produk Baru(New Product Development)". cet. IV Jakarta: Jakarta, Alex Media Computindo, 1992. Manajemen.