Ricks, C. (2010). True friendship: Geoffrey Hill, Anthony Hecht, and Robert Lowell under the sign of Eliot and Pound. Yale University Press.
Lua i Stíl Chicago (17ú heag.)Ricks, Christopher. True Friendship: Geoffrey Hill, Anthony Hecht, and Robert Lowell Under the Sign of Eliot and Pound. New Haven: Yale University Press, 2010.
Lua MLA (9ú heag.)Ricks, Christopher. True Friendship: Geoffrey Hill, Anthony Hecht, and Robert Lowell Under the Sign of Eliot and Pound. Yale University Press, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.