Lumsden, R. (1993). Twenty-three steps to success and achievement. Indus.
芝加哥风格引文Lumsden, Robert. Twenty-three Steps to Success and Achievement. New delhi: Indus, 1993.
MLA引文Lumsden, Robert. Twenty-three Steps to Success and Achievement. Indus, 1993.
警告：这些引文格式不一定是100％准确.