SINGH P N. (1993). SUCCESS UNLIMITED: HOW TO REACH THE TOP IN THE CORPORATE WORLD. SUCHANDRA PUBLICATIONS.
Cita Chicago (17th ed.)SINGH P N. SUCCESS UNLIMITED: HOW TO REACH THE TOP IN THE CORPORATE WORLD. MUMBAI: SUCHANDRA PUBLICATIONS, 1993.
Cita MLA (9th ed.)SINGH P N. SUCCESS UNLIMITED: HOW TO REACH THE TOP IN THE CORPORATE WORLD. SUCHANDRA PUBLICATIONS, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.