Gardner, H. (1962). John Donne: A collection of critical essays. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Gardner, Helen. John Donne: A Collection of Critical Essays. Englewood Cliffs, N.J.: Prentice-Hall, 1962.
Lua MLA (8ú heag.)Gardner, Helen. John Donne: A Collection of Critical Essays. Prentice-Hall, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.