384402 Snape, C., & Scott, H. (1992). How amazing. Cambridge : Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)384402 Snape, Charles, agus Heather Scott. How Amazing. Cambridge : Cambridge University Press, 1992.
Lua MLA (9ú heag.)384402 Snape, Charles, agus Heather Scott. How Amazing. Cambridge : Cambridge University Press, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.