Gawdat, M. (2017). Solve for happy: Engineering your path to joy (First North Star Way hardcover edition.). North Star Way.
Cita Chicago Style (17a ed.)Gawdat, Mo. Solve for Happy: Engineering Your Path to Joy. First North Star Way hardcover edition. New York: North Star Way, 2017.
Cita MLA (8a ed.)Gawdat, Mo. Solve for Happy: Engineering Your Path to Joy. First North Star Way hardcover edition. North Star Way, 2017.
Precaución: Estas citas no son 100% exactas.