, H. l. Harrod-s librarians- glossary of term used in librarianship, documentation and the book crafts#Reference Book#Compiled by Ray Prytherch. Gower Publishing Company Limite.
Lua i Stíl Chicago (17ú heag.), Harrod-s librarians. Harrod-s Librarians- Glossary of Term Used in Librarianship, Documentation and the Book Crafts#Reference Book#Compiled by Ray Prytherch. Gower Publishing Company Limite.
Lua MLA (8ú heag.), Harrod-s librarians. Harrod-s Librarians- Glossary of Term Used in Librarianship, Documentation and the Book Crafts#Reference Book#Compiled by Ray Prytherch. Gower Publishing Company Limite.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.