Garfield, E. (1977). Essays of an information scientist. ISI Press.
Lua i Stíl Chicago (17ú heag.)Garfield, Eugene. Essays of an Information Scientist. Philadelphia: ISI Press, 1977.
Lua MLA (9ú heag.)Garfield, Eugene. Essays of an Information Scientist. ISI Press, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.