Citazione APA

Tony Hsieh. Delivering happiness: A path to profits, passion, and purpose.

Stile di citazione Chicago

Tony Hsieh. Delivering Happiness: A Path to Profits, Passion, and Purpose. New York : London : BusinessPlus ; Little, Brown [distributor], 2011, c2010. New York : BusinessPlus ; London : Little, Brown [distributor], 2011. ©2010.

Citazione MLA

Tony Hsieh. Delivering Happiness: A Path to Profits, Passion, and Purpose.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.