Parsons. Captain Jack Helm. University of North Texas Press.
Lua i Stíl Chicago (17ú heag.)Parsons. Captain Jack Helm. University of North Texas Press.
Lua MLA (9ú heag.)Parsons. Captain Jack Helm. University of North Texas Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.