Waldron, G. (1949). The Information film: A report of the Public Library Inquiry [in cooperation with the Twentieth Century Fund]. Columbia Univ. Press.
Lua i Stíl Chicago (17ú heag.)Waldron, Gloria. The Information Film: A Report of the Public Library Inquiry [in Cooperation with the Twentieth Century Fund]. New York: Columbia Univ. Press, 1949.
Lua MLA (9ú heag.)Waldron, Gloria. The Information Film: A Report of the Public Library Inquiry [in Cooperation with the Twentieth Century Fund]. Columbia Univ. Press, 1949.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.