Haammond, J., & Townsend, I. (1977). John Hammond on record: An autobiography / with Irving Townsend. Ridge Press.
Lua i Stíl Chicago (17ú heag.)Haammond, John, agus Irving Townsend. John Hammond on Record: An Autobiography / with Irving Townsend. New York: Ridge Press, 1977.
Lua MLA (8ú heag.)Haammond, John, agus Irving Townsend. John Hammond on Record: An Autobiography / with Irving Townsend. Ridge Press, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.