Downs, R. B. (1967). Resources of Canadian academic and research libraries. Association of Universities and Colleges of Canada.
Lua i Stíl Chicago (17ú heag.)Downs, Robert Bingham. Resources of Canadian Academic and Research Libraries. Ottawa: Association of Universities and Colleges of Canada, 1967.
Lua MLA (9ú heag.)Downs, Robert Bingham. Resources of Canadian Academic and Research Libraries. Association of Universities and Colleges of Canada, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.