Graybosch, A., Scott, G. M., & Garrison, S. M. (1998). The philosophy student writer's manual. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Graybosch, Anthony, Gregory M. Scott, agus Stephen M. Garrison. The Philosophy Student Writer's Manual. Upper Saddle River, N.J: Prentice Hall, 1998.
Lua MLA (9ú heag.)Graybosch, Anthony, et al. The Philosophy Student Writer's Manual. Prentice Hall, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.