SpringerLink (Online service), O'Higgins, E., & Zsolnai, L. (2018). Progressive Business Models: Creating Sustainable and Pro-Social Enterprise (1st ed. 2018.). Springer International Publishing : Imprint: Palgrave Macmillan. https://doi.org/10.1007/978-3-319-58804-9
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Eleanor O'Higgins, και László Zsolnai. Progressive Business Models: Creating Sustainable and Pro-Social Enterprise. 1st ed. 2018. Cham: Springer International Publishing : Imprint: Palgrave Macmillan, 2018. https://doi.org/10.1007/978-3-319-58804-9.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Progressive Business Models: Creating Sustainable and Pro-Social Enterprise. 1st ed. 2018. Springer International Publishing : Imprint: Palgrave Macmillan, 2018. https://doi.org/10.1007/978-3-319-58804-9.