SINGH P N. (1993). SUCCESS UNLIMITED: HOW TO REACH THE TOP IN THE CORPORATE WORLD. SUCHANDRA PUBLICATIONS.
芝加哥风格引文SINGH P N. SUCCESS UNLIMITED: HOW TO REACH THE TOP IN THE CORPORATE WORLD. MUMBAI: SUCHANDRA PUBLICATIONS, 1993.
MLA引文SINGH P N. SUCCESS UNLIMITED: HOW TO REACH THE TOP IN THE CORPORATE WORLD. SUCHANDRA PUBLICATIONS, 1993.
警告：这些引文格式不一定是100％准确.