CRISP MICHAEL. (1992). TWELVE STEPS TO SELF IMPROVEMENT. GALGOTIA PUBLICATIONS.
芝加哥风格引文CRISP MICHAEL. TWELVE STEPS TO SELF IMPROVEMENT. NEW DELHI: GALGOTIA PUBLICATIONS, 1992.
MLA引文CRISP MICHAEL. TWELVE STEPS TO SELF IMPROVEMENT. GALGOTIA PUBLICATIONS, 1992.
警告：这些引文格式不一定是100％准确.