APA-referens

Wilkinson,, T. (2008). Lost art of being happy: Spirituality for sceptics. Macmillan.

Chicago-stil citat

Wilkinson,, Tony. Lost Art of Being Happy: Spirituality for Sceptics. Chennai: Macmillan, 2008.

MLA-referens

Wilkinson,, Tony. Lost Art of Being Happy: Spirituality for Sceptics. Macmillan, 2008.