APA-referens (7:e uppl.)

Shahar, T. B. (2008). Happier. Tata McGraw-Hill Publishing.

Chicago-referens (17:e uppl.)

Shahar, Tal Ben. Happier. New Delhi: Tata McGraw-Hill Publishing, 2008.

MLA-referens (9:e uppl.)

Shahar, Tal Ben. Happier. Tata McGraw-Hill Publishing, 2008.