APA引文

Gawdat, M. (2017). Solve for happy: Engineering your path to joy (First North Star Way hardcover edition.). North Star Way.

Chicago Style (17th ed.) Citation

Gawdat, Mo. Solve for Happy: Engineering Your Path to Joy. First North Star Way hardcover edition. New York: North Star Way, 2017.

MLA引文

Gawdat, Mo. Solve for Happy: Engineering Your Path to Joy. First North Star Way hardcover edition. North Star Way, 2017.

警告：這些引文格式不一定是100％准確.