Gaya APA

Griffin, A., Somermeyer, S, M. (2007). The PDMA Toolbook 3 for New Product Development . Hoboken, New Jersey: John Wiley & Sons, Inc.

Gaya MLA

Griffin, Abbie., Somermeyer, Stephen, M.. "The PDMA Toolbook 3 for New Product Development". Hoboken, New Jersey: John Wiley & Sons, Inc, 2007. Text.