Wulfen, G. v. (2011). Creating innovative products and services: The forth innovation method. Gower.
Chicago Style (17th ed.) CitationWulfen, Gijs van. Creating Innovative Products and Services: The Forth Innovation Method. FBurlington, VT: Gower, 2011.
MLA (8th ed.) CitationWulfen, Gijs van. Creating Innovative Products and Services: The Forth Innovation Method. Gower, 2011.
Warning: These citations may not always be 100% accurate.