Lua APA (7ú heag.)
Cable, M. El Escorial / by Mary Cable ; and the editors of the Newsweek Book Division, 1971.
Lua i Stíl Chicago (17ú heag.)
Cable, Mary. El Escorial / by Mary Cable ; and the Editors of the Newsweek Book Division, 1971.
Lua MLA (9ú heag.)
Cable, Mary. El Escorial / by Mary Cable ; and the Editors of the Newsweek Book Division, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.