Spry, A. (1969). Metamorphic textures. Pergamon Press.
Lua i Stíl Chicago (17ú heag.)Spry, Alan. Metamorphic Textures. Oxford: Pergamon Press, 1969.
Lua MLA (9ú heag.)Spry, Alan. Metamorphic Textures. Pergamon Press, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.