Wathen, A. (2015). Preconditioning. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Wathen, A. Preconditioning. Cambridge University Press, 2015.
Lua MLA (9ú heag.)Wathen, A. Preconditioning. Cambridge University Press, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.