Allen, D. (2008). Getting things done: The art of stress-free productivity. Simon & Schuster Audio.
Cita Chicago Style (17a ed.)Allen, David. Getting Things Done: The Art of Stress-free Productivity. New York: Simon & Schuster Audio, 2008.
Cita MLA (8a ed.)Allen, David. Getting Things Done: The Art of Stress-free Productivity. Simon & Schuster Audio, 2008.
Precaución: Estas citas no son 100% exactas.