Schoonover, L. (1972). The Queen's cross. Tandem.
Lua i Stíl Chicago (17ú heag.)Schoonover, Lawrence. The Queen's Cross. London: Tandem, 1972.
Lua MLA (8ú heag.)Schoonover, Lawrence. The Queen's Cross. Tandem, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.