Gaya APA

Osterwalder, A., Pigneur, Y. (2010). Business model generation : a handbook for visionaries, game changers and challengers . Canada: John Wiley and Sons.

Gaya MLA

Osterwalder, Alexander., Pigneur, Yves. "Business model generation : a handbook for visionaries, game changers and challengers". Canada: John Wiley and Sons, 2010. Text.