Watts, C. T. (1985). A preface to Keats. Longman.
Lua i Stíl Chicago (17ú heag.)Watts, Cedric Thomas. A Preface to Keats. London ; New York: Longman, 1985.
Lua MLA (8ú heag.)Watts, Cedric Thomas. A Preface to Keats. Longman, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.