Herbert, W. (1821). An appendix. Printed for James Ridgway.
Lua i Stíl Chicago (17ú heag.)Herbert, William. An Appendix. London: Printed for James Ridgway, 1821.
Lua MLA (8ú heag.)Herbert, William. An Appendix. Printed for James Ridgway, 1821.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.