Neff, M. L. (1964). Invincible irishman: A biography of Percy T. Magan. Pacific Press.
Lua i Stíl Chicago (17ú heag.)Neff, Merlin L. Invincible Irishman: A Biography of Percy T. Magan. Mountain View, CA: Pacific Press, 1964.
Lua MLA (9ú heag.)Neff, Merlin L. Invincible Irishman: A Biography of Percy T. Magan. Pacific Press, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.