Johnson, G. E. (1940). Studies in the art of interpretation. Appleton-Century.
Lua i Stíl Chicago (17ú heag.)Johnson, Gertrude Elizabeth. Studies in the Art of Interpretation. New York: Appleton-Century, 1940.
Lua MLA (9ú heag.)Johnson, Gertrude Elizabeth. Studies in the Art of Interpretation. Appleton-Century, 1940.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.