SpringerLink (Online service), Machado, J., Soares, F., & Veiga, G. (2019). Innovation, Engineering and Entrepreneurship (1st ed. 2019.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-319-91334-6
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), José Machado, Filomena Soares, και Germano Veiga. Innovation, Engineering and Entrepreneurship. 1st ed. 2019. Cham: Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-319-91334-6.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Innovation, Engineering and Entrepreneurship. 1st ed. 2019. Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-319-91334-6.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.