APA aipamena

Hsieh, T. (2010). Delivering Happiness: A Path to Profits, Passion, and Purpose. Grand Central Publishing.

Chicago Style aipamena

Hsieh, Tony. Delivering Happiness: A Path to Profits, Passion, and Purpose. New York: Grand Central Publishing, 2010.

MLA aipamena

Hsieh, Tony. Delivering Happiness: A Path to Profits, Passion, and Purpose. Grand Central Publishing, 2010.