Keiper, E. (2010). Klaus-Martin Treder: It happend again ; [a horse with no name.].
Lua i Stíl Chicago (17ú heag.)Keiper, Elke. Klaus-Martin Treder: It Happend Again ; [a Horse with No Name.]. Waldkraiburg, 2010.
Lua MLA (8ú heag.)Keiper, Elke. Klaus-Martin Treder: It Happend Again ; [a Horse with No Name.]. 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.