1. Axelrod, J. N. (1964). Reducing advertising failures by concept testing. Journal of Marketing, 28(4), 41–44.
2. Cooper, R. G. (1979). The dimensions of industrial new product success and failure. Journal of Marketing, 43(3), 93–103.
3. Cooper, R. G. (1993). Winning at new products: Accelerating the process from idea to launch (2nd ed.). Perseus Books Group.
4. Cooper, A. (1998). The inmates are running the asylum: Why high-tech products drive us crazy and how to restore sanity. Morgan Kaufmann.
5. Cooper, R.G. (2001). Winning at new products: Accelerating the launch from idea to launch. Basic Books (Hachette Books Group, Inc.), 3rd edition.