Walpole, H., Austen, J. 1. N. A., Radcliffe, A. 1. T. . m. o. U., & Wright, A. H. (1963). The castle of Otranto. Holt,Rinehart and Winston.
Lua i Stíl Chicago (17ú heag.)Walpole, Horace, Jane 1775-1817. Northanger Abbey Austen, Ann 1764-1823. The mysteries of Udolpho Radcliffe, agus Andrew H. Wright. The Castle of Otranto. New York: Holt,Rinehart and Winston, 1963.
Lua MLA (9ú heag.)Walpole, Horace, et al. The Castle of Otranto. Holt,Rinehart and Winston, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.