Meinhardt, J. (1996). Percept.
Lua i Stíl Chicago (17ú heag.)Meinhardt, Johannes. Percept. München, 1996.
Lua MLA (8ú heag.)Meinhardt, Johannes. Percept. 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)