Schick, U. (2002). Martin Willing. Studio A Otterndorf.
Lua i Stíl Chicago (17ú heag.)Schick, Ulrike. Martin Willing. Otterndorf: Studio A Otterndorf, 2002.
Lua MLA (8ú heag.)Schick, Ulrike. Martin Willing. Studio A Otterndorf, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.