Layton, I. (1974). The pole-vaulter. McClelland & Stewart.
Lua i Stíl Chicago (17ú heag.)Layton, Irving. The Pole-vaulter. Toronto, Ont.: McClelland & Stewart, 1974.
Lua MLA (8ú heag.)Layton, Irving. The Pole-vaulter. McClelland & Stewart, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.