APA-referens (7:e uppl.)

Herdon, T., & Swarmer, K. (2011). The bird of happiness and other wise tales. Oxford University Press.

Chicago-referens (17:e uppl.)

Herdon, Tim, och Kristina Swarmer. The Bird of Happiness and Other Wise Tales. Oxford ; New York: Oxford University Press, 2011.

MLA-referens (8:e uppl.)

Herdon, Tim, och Kristina Swarmer. The Bird of Happiness and Other Wise Tales. Oxford University Press, 2011.