Clarkson, C., & Stiglitz, M. (2009). The Gough Map - Its Nature, Conservation History and Display. Bodleian Library.
Lua i Stíl Chicago (17ú heag.)Clarkson, C., agus M. Stiglitz. The Gough Map - Its Nature, Conservation History and Display. Bodleian Library, 2009.
Lua MLA (9ú heag.)Clarkson, C., agus M. Stiglitz. The Gough Map - Its Nature, Conservation History and Display. Bodleian Library, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.