Hugo, J., & Miller, W. D. (1976). Oral history interview with John J. Hugo.
Lua i Stíl Chicago (17ú heag.)Hugo, John, agus William D. Miller. Oral History Interview with John J. Hugo. 1976.
Lua MLA (8ú heag.)Hugo, John, agus William D. Miller. Oral History Interview with John J. Hugo. 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.