Heyer, G. (1980). These old shades. Pan Books.
Lua i Stíl Chicago (17ú heag.)Heyer, Georgette. These Old Shades. London: Pan Books, 1980.
Lua MLA (9ú heag.)Heyer, Georgette. These Old Shades. Pan Books, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.