Portales, L. (2019). Social Innovation and Social Entrepreneurship: Fundamentals, Concepts, and Tools (1st.). Palgrave Macmillan.
Chicago-čujuhus (17. p.)Portales, Luis. Social Innovation and Social Entrepreneurship: Fundamentals, Concepts, and Tools. 1st. Switzerland: Palgrave Macmillan, 2019.
MLA-čujuhus (9. p.)Portales, Luis. Social Innovation and Social Entrepreneurship: Fundamentals, Concepts, and Tools. 1st. Palgrave Macmillan, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.