Lua APA (7ú heag.)

Haas, G. (1969). Essay. Metzler.

Lua i Stíl Chicago (17ú heag.)

Haas, Gerhard. Essay. Stuttgart: Metzler, 1969.

Lua MLA (8ú heag.)

Haas, Gerhard. Essay. Metzler, 1969.

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