Gaya APA

Easterbrook, Gregg. (2003). The Progress paradox: how life gets better while people feel worse . New York: Random House.

Gaya Chicago

Easterbrook, Gregg. The Progress paradox: how life gets better while people feel worse. New York: Random House, 2003. Text.

Gaya MLA

Easterbrook, Gregg. The Progress paradox: how life gets better while people feel worse. New York: Random House, 2003. Text.

Gaya Turabian

Easterbrook, Gregg. The Progress paradox: how life gets better while people feel worse. New York: Random House, 2003. Print.