Hans-Willi Walter <Leonberg> & Wishkow, J. (2001). Visionen 2002: The Toy-Rarity-Company.
Lua i Stíl Chicago (17ú heag.)Hans-Willi Walter <Leonberg> agus Jürgen Wishkow. Visionen 2002: The Toy-Rarity-Company. Leonberg, 2001.
Lua MLA (8ú heag.)Hans-Willi Walter <Leonberg> agus Jürgen Wishkow. Visionen 2002: The Toy-Rarity-Company. 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.