Gaya APA

ROAM, Dan. (2009). The back of the napkin : solving problems and selling ideas with pictures . New York: Marshall Cavendish Business.

Gaya Chicago

ROAM, Dan. The back of the napkin : solving problems and selling ideas with pictures. New York: Marshall Cavendish Business, 2009. Text.

Gaya MLA

ROAM, Dan. The back of the napkin : solving problems and selling ideas with pictures. New York: Marshall Cavendish Business, 2009. Text.

Gaya Turabian

ROAM, Dan. The back of the napkin : solving problems and selling ideas with pictures. New York: Marshall Cavendish Business, 2009. Print.