Boeuf, M. L. (2001). Essence of Time Management (12th.). McGraw-Hill Companies.
芝加哥风格引文Boeuf, Michael Le. Essence of Time Management. 12th. New Delhi: McGraw-Hill Companies, 2001.
MLA引文Boeuf, Michael Le. Essence of Time Management. 12th. McGraw-Hill Companies, 2001.
警告:这些引文格式不一定是100%准确.