Davis, F. (1997). Real Property Management Frank Davis Dan Peter Wills. Ligare.
Lua i Stíl Chicago (17ú heag.)Davis, Frank. Real Property Management Frank Davis Dan Peter Wills. Ligare, 1997.
Lua MLA (8ú heag.)Davis, Frank. Real Property Management Frank Davis Dan Peter Wills. Ligare, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.