O'Reilly, B. (2013). Keep it pithy: Useful observations in a tough world.
Cita Chicago Style (17a ed.)O'Reilly, Bill. Keep It Pithy: Useful Observations in a Tough World. 2013.
Cita MLA (8a ed.)O'Reilly, Bill. Keep It Pithy: Useful Observations in a Tough World. 2013.
Precaución: Estas citas no son 100% exactas.