Ries Eric. (2011). The loan startup: How constant Innovation creates successful business. Penguin Grp.
Cita Chicago (17th ed.)Ries Eric. The Loan Startup: How Constant Innovation Creates Successful Business. London: Penguin Grp, 2011.
Cita MLA (9th ed.)Ries Eric. The Loan Startup: How Constant Innovation Creates Successful Business. Penguin Grp, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.