Gaya APA

Alexander, O. (2010). Business Model Generation : A Handbook for Visionaries, Game Charger, and Challangers . New Jersey: John Wiley&Sons.

Gaya MLA

Alexander, Osterwalder. "Business Model Generation : A Handbook for Visionaries, Game Charger, and Challangers". New Jersey: John Wiley&Sons, 2010. Buku.