Cita APA (7th ed.)

Brown,Tim, & Katz,Barry. (2009). Change by design. Harper collins.

Cita Chicago (17th ed.)

Brown,Tim, i Katz,Barry. Change by Design. New York: Harper collins, 2009.

Cita MLA (9th ed.)

Brown,Tim, i Katz,Barry. Change by Design. Harper collins, 2009.