Lua APA (7ú heag.)

Ritter, J. (2004). W - Z. Schwabe.

Lua i Stíl Chicago (17ú heag.)

Ritter, Joachim. W - Z. Basel: Schwabe, 2004.

Lua MLA (8ú heag.)

Ritter, Joachim. W - Z. Schwabe, 2004.

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