Lua APA (7ú heag.)

(1961). History and theory. Mouton.

Lua i Stíl Chicago (17ú heag.)

History and Theory. 's-Gravenhage: Mouton, 1961.

Lua MLA (8ú heag.)

History and Theory. Mouton, 1961.

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