Sänn, A., Bürgel, H. D., Grosse, D., Möhrle, M. G., Herstatt, C., Koller, H., & Lüthje, C. (2017). Lead User Product Development. The Preference-Driven Lead User Method for New Product Development : A Comprehensive Way to Stimulate Innovations with Internal and External Sources, 9. https://doi.org/10.1007/978-3-658-17263-3_2
Chicago Style (17th ed.) CitationSänn, Alexander, Hans Dietmar Bürgel, Diana Grosse, Martin G. Möhrle, Cornelius Herstatt, Hans Koller, and Christian Lüthje. "Lead User Product Development." The Preference-Driven Lead User Method for New Product Development : A Comprehensive Way to Stimulate Innovations with Internal and External Sources 2017: 9. https://doi.org/10.1007/978-3-658-17263-3_2.
MLA (9th ed.) CitationSänn, Alexander, et al. "Lead User Product Development." The Preference-Driven Lead User Method for New Product Development : A Comprehensive Way to Stimulate Innovations with Internal and External Sources, 2017, p. 9, https://doi.org/10.1007/978-3-658-17263-3_2.