(2005). Harod's librarian's glossary and reference book (10th ed.). Ashgate Publishing.
Chicago Style aipamenaHarod's Librarian's Glossary and Reference Book. 10th ed. England: Ashgate Publishing, 2005.
MLA aipamenaHarod's Librarian's Glossary and Reference Book. 10th ed. Ashgate Publishing, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.