Bergman, D., & Epstein, D. M. (1987). The heath guide to literature (2nd edition.). Heath.
Lua i Stíl Chicago (17ú heag.)Bergman, David, agus Daniel Mark Epstein. The Heath Guide to Literature. 2nd edition. Lexington, Mass: Heath, 1987.
Lua MLA (9ú heag.)Bergman, David, agus Daniel Mark Epstein. The Heath Guide to Literature. 2nd edition. Heath, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.