Lua APA (7ú heag.)
American concrete institute 55 year index 1905-1959 / American Concrete Institute: A C I Pub 624.1834 An512.
Lua i Stíl Chicago (17ú heag.)
American Concrete Institute 55 Year Index 1905-1959 / American Concrete Institute: A C I Pub 624.1834 An512.
Lua MLA (9ú heag.)
American Concrete Institute 55 Year Index 1905-1959 / American Concrete Institute: A C I Pub 624.1834 An512.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.