Sänn, A. (2017). The preference-driven lead user method for new product development: A comprehensive way to stimulate innovations with internal and external sources. Springer Gabler.
Chicago-Zitierstil (17. Ausg.)Sänn, Alexander. The Preference-driven Lead User Method for New Product Development: A Comprehensive Way to Stimulate Innovations with Internal and External Sources. Wiesbaden, Germany: Springer Gabler, 2017.
MLA-Zitierstil (9. Ausg.)Sänn, Alexander. The Preference-driven Lead User Method for New Product Development: A Comprehensive Way to Stimulate Innovations with Internal and External Sources. Springer Gabler, 2017.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.