Παραπομπή APA

Franklin, S. S. A. (2010). The psychology of happiness: A good human life.

Παραπομπή Chicago Style

Franklin, Samuel S; Author. The Psychology of Happiness: A Good Human Life. New York, Cambridge University Press, 2010.

Παραπομπή MLA

Franklin, Samuel S; Author. The Psychology of Happiness: A Good Human Life. 2010.