Crawford, C. Merle
New products management
McGraw-Hill, 2006
 Buku Teks
Crawford, C. Merle
New Products management
McGraw-Hill/Irwin, 2000
 Buku Teks
Crawford, C. Merle
New products management
Richard D. Irwin, 1983
 Buku Teks
Crawford, C. Merle
New products management
McGraw-Hill , 2015
 Buku Teks
The New products handbook
edited by Larry Wizenberg
Dow Jones-Irwin, 1986
 Buku Referensi