Buckingham, W., Burnham, D., Hill, C., King, P. J., Marenbon, J., & Weeks, M. (2011). The philosophy book. Dorling Kindersley Limited.
Lua i Stíl Chicago (17ú heag.)Buckingham, Will, Douglas Burnham, Clive Hill, Peter J. King, John Marenbon, agus Marcus Weeks. The Philosophy Book. London: Dorling Kindersley Limited, 2011.
Lua MLA (9ú heag.)Buckingham, Will, et al. The Philosophy Book. Dorling Kindersley Limited, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.