Foxon, D. F. (1970). Thoughts on the history and future of bibliographical description. University of California, School of Library Service.
Lua i Stíl Chicago (17ú heag.)Foxon, David Fairweather. Thoughts on the History and Future of Bibliographical Description. Los Angeles, [Calif.]: University of California, School of Library Service, 1970.
Lua MLA (9ú heag.)Foxon, David Fairweather. Thoughts on the History and Future of Bibliographical Description. University of California, School of Library Service, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.