Hower, I. (1967). Thomas Hardy. Macmillan.
Lua i Stíl Chicago (17ú heag.)Hower, Irwing. Thomas Hardy. New York: Macmillan, 1967.
Lua MLA (9ú heag.)Hower, Irwing. Thomas Hardy. Macmillan, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.