Gaya APA

Ries, E. (2011). The Lean Startup : How Today's Entrepreneurs Use Continuous Innovation To Create Radically Successful Businesses . New York: Currency ooks.

Gaya MLA

Ries, Eric. "The Lean Startup : How Today's Entrepreneurs Use Continuous Innovation To Create Radically Successful Businesses". New York: Currency ooks, 2011. Text.