Johnson, S. A. (2003). The present: The gift that makes you happy and successful at work and in life.
Chicago Edition CitationJohnson, Spencer; Author. The Present: The Gift That Makes You Happy and Successful at Work and in Life. New York, Bantam Books, 2003.
MLA引文Johnson, Spencer; Author. The Present: The Gift That Makes You Happy and Successful at Work and in Life. 2003.
警告:這些引文格式不一定是100%准確.