Wagner, R., & Osborne, C. (1973). Richard Wagner--stories and essays. Library Press] dist. by Open Court Pub.
Lua i Stíl Chicago (17ú heag.)Wagner, Richard, agus Charles Osborne. Richard Wagner--stories and Essays. [La Salle, Ill: Library Press] dist. by Open Court Pub, 1973.
Lua MLA (9ú heag.)Wagner, Richard, agus Charles Osborne. Richard Wagner--stories and Essays. Library Press] dist. by Open Court Pub, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.