Ballinger, R. A., & Berner, R. C. (1965). Richard A. Ballinger papers at the University of Washington Libraries. University of Washington Libraries.
Lua i Stíl Chicago (17ú heag.)Ballinger, Richard Achilles, agus Richard C. Berner. Richard A. Ballinger Papers at the University of Washington Libraries. Seattle: University of Washington Libraries, 1965.
Lua MLA (8ú heag.)Ballinger, Richard Achilles, agus Richard C. Berner. Richard A. Ballinger Papers at the University of Washington Libraries. University of Washington Libraries, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.