Ries Eric. (2011). The loan startup: How constant Innovation creates successful business. Penguin Grp.
Цитирование в стиле Чикаго (17-е изд.)Ries Eric. The Loan Startup: How Constant Innovation Creates Successful Business. London: Penguin Grp, 2011.
Цитирование MLA (9-е изд.)Ries Eric. The Loan Startup: How Constant Innovation Creates Successful Business. Penguin Grp, 2011.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.