APA Citatie

Dan Roam. (2009). The Back of the Napkin: Solving Problems and Selling Ideas with Pictures. Marshall Cavendish Business.

Chicago Style citaat

Dan Roam. The Back of the Napkin: Solving Problems and Selling Ideas with Pictures. Marshall Cavendish Business, 2009.

MLA citatie

Dan Roam. The Back of the Napkin: Solving Problems and Selling Ideas with Pictures. Marshall Cavendish Business, 2009.

Let op: Deze citaties zijn niet altijd 100% accuraat.