Palmer, R. (1996). Brain Train (2nd.). E & FN Spon.
Lua i Stíl Chicago (17ú heag.)Palmer, Richard. Brain Train. 2nd. London: E & FN Spon, 1996.
Lua MLA (9ú heag.)Palmer, Richard. Brain Train. 2nd. E & FN Spon, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.