Harrison, E. S. (1907). Spanish correspondence. Holt.
Lua i Stíl Chicago (17ú heag.)Harrison, Earl Stanley. Spanish Correspondence. New York: Holt, 1907.
Lua MLA (9ú heag.)Harrison, Earl Stanley. Spanish Correspondence. Holt, 1907.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.