Norman, S. (1999). Copyright in further and higher education libraries (4th ed.). Library Association Pub.
Lua i Stíl Chicago (17ú heag.)Norman, Sandy. Copyright in Further and Higher Education Libraries. 4th ed. London: Library Association Pub, 1999.
Lua MLA (9ú heag.)Norman, Sandy. Copyright in Further and Higher Education Libraries. 4th ed. Library Association Pub, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.