APA (7e ed.) Bronvermelding

Nalebuff, B., & Ayres, I. (2004). Why not?: How to use everyday ingenuity to solve problems big and small. Harvard Business School Press.

Chicago (17e ed.) Bronvermelding

Nalebuff, Barry, en Ian Ayres. Why Not?: How to Use Everyday Ingenuity to Solve Problems Big and Small. Boston: Harvard Business School Press, 2004.

MLA (8e ed.) Bronvermelding

Nalebuff, Barry, en Ian Ayres. Why Not?: How to Use Everyday Ingenuity to Solve Problems Big and Small. Harvard Business School Press, 2004.