Lua APA (7ú heag.)

(1975). Günther Gritzner.

Lua i Stíl Chicago (17ú heag.)

Günther Gritzner. Berlin, 1975.

Lua MLA (8ú heag.)

Günther Gritzner. 1975.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.