APA-referens (7:e uppl.)

Engel, S. L. (2015). The end of the rainbow: How educating for happiness (not money) would transform our schools. The New Press.

Chicago-referens (17:e uppl.)

Engel, Susan L. The End of the Rainbow: How Educating for Happiness (not Money) Would Transform Our Schools. New York, New York: The New Press, 2015.

MLA-referens (9:e uppl.)

Engel, Susan L. The End of the Rainbow: How Educating for Happiness (not Money) Would Transform Our Schools. The New Press, 2015.