Watson, M., & Bell, M. (2009). European documentation centres: Providing researchers with a way through the maze. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Watson, M., agus M. Bell. European Documentation Centres: Providing Researchers with a Way Through the Maze. Cambridge University Press, 2009.
Lua MLA (9ú heag.)Watson, M., agus M. Bell. European Documentation Centres: Providing Researchers with a Way Through the Maze. Cambridge University Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.