Badke-Schaub, P., Frankenberger, E., & Birkhofer, H. Designers: The Key to Successful Product Development. Springer International Publishing.
Citazione stile Chigago Style (17a edizione)Badke-Schaub, Petra, Eckart Frankenberger, e Herbert Birkhofer. Designers: The Key to Successful Product Development. Cham: Springer International Publishing.
Citatione MLA (8a ed.)Badke-Schaub, Petra, et al. Designers: The Key to Successful Product Development. Springer International Publishing.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.