Lua APA (7ú heag.)
Bernstein, H. (2008). The invisible wall: A love story that broke barriers (2008 Ballantine Books Trade Paperbacks ed.). Ballantine Books.
Lua i Stíl Chicago (17ú heag.)
Bernstein, Harry. The Invisible Wall: A Love Story That Broke Barriers. 2008 Ballantine Books Trade Paperbacks ed. New York: Ballantine Books, 2008.
Lua MLA (9ú heag.)
Bernstein, Harry. The Invisible Wall: A Love Story That Broke Barriers. 2008 Ballantine Books Trade Paperbacks ed. Ballantine Books, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.