Garrison. The Permit that Never Expires. University of Arizona Press.
Lua i Stíl Chicago (17ú heag.)Garrison. The Permit That Never Expires. University of Arizona Press.
Lua MLA (9ú heag.)Garrison. The Permit That Never Expires. University of Arizona Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.