APA-referens (7:e uppl.)

Birch, D., & Worley, P. (2014). Provocations: Philosophy for secondary school. Crown House Publishing Limited.

Chicago-referens (17:e uppl.)

Birch, David, och Peter Worley. Provocations: Philosophy for Secondary School. Bancyfelin, Camarthen, Wales, [England]: Crown House Publishing Limited, 2014.

MLA-referens (9:e uppl.)

Birch, David, och Peter Worley. Provocations: Philosophy for Secondary School. Crown House Publishing Limited, 2014.