Pieper, T., & Pieper, T. (2019). User Innovation Barriers' Impact on User-Developed Products: An Empirical Investigation on User Innovation Processes (1st ed. 2019.). Springer Fachmedien Wiesbaden : Imprint: Springer Gabler. https://doi.org/10.1007/978-3-658-25506-0
Παραπομπή σε μορφή Chicago (17η εκδ.)Pieper, Thorsten, και Thorsten Pieper. User Innovation Barriers' Impact on User-Developed Products: An Empirical Investigation on User Innovation Processes. 1st ed. 2019. Wiesbaden: Springer Fachmedien Wiesbaden : Imprint: Springer Gabler, 2019. https://doi.org/10.1007/978-3-658-25506-0.
Παραπομπή σε μορφή MLA (8th εκδ.)Pieper, Thorsten, και Thorsten Pieper. User Innovation Barriers' Impact on User-Developed Products: An Empirical Investigation on User Innovation Processes. 1st ed. 2019. Springer Fachmedien Wiesbaden : Imprint: Springer Gabler, 2019. https://doi.org/10.1007/978-3-658-25506-0.
