Simpson, I. S. (1990). How to interpret statistical data: A guide for librarians and information scientists. The Library Association.
Lua i Stíl Chicago (17ú heag.)Simpson, I. S. How to Interpret Statistical Data: A Guide for Librarians and Information Scientists. London: The Library Association, 1990.
Lua MLA (9ú heag.)Simpson, I. S. How to Interpret Statistical Data: A Guide for Librarians and Information Scientists. The Library Association, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.