Barton, P., Doyle, P., & Vandewalle, J. (2005). Beneath Flanders fields: The tunnellers' war, 1914-1918. Spellmount.
Lua i Stíl Chicago (17ú heag.)Barton, Peter, Peter Doyle, agus Johan Vandewalle. Beneath Flanders Fields: The Tunnellers' War, 1914-1918. Staplehurst [England]: Spellmount, 2005.
Lua MLA (9ú heag.)Barton, Peter, et al. Beneath Flanders Fields: The Tunnellers' War, 1914-1918. Spellmount, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.