Bittel, L. R. (1991). Right on time!: The complete guide for time pressured managers. McGraw-Hill.
芝加哥风格引文Bittel, Lester R. Right on Time!: The Complete Guide for Time Pressured Managers. New York: McGraw-Hill, 1991.
MLA引文Bittel, Lester R. Right on Time!: The Complete Guide for Time Pressured Managers. McGraw-Hill, 1991.
警告：这些引文格式不一定是100％准确.