(1960). British instruments directory and data handbook.
Lua i Stíl Chicago (17ú heag.)British Instruments Directory and Data Handbook. London, 1960.
Lua MLA (9ú heag.)British Instruments Directory and Data Handbook. 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.