Hans-Willi Walter <Leonberg> & Wishkow, J. (2001). Visionen 2002: The Toy-Rarity-Company.
Cita Chicago (17th ed.)Hans-Willi Walter <Leonberg> i Jürgen Wishkow. Visionen 2002: The Toy-Rarity-Company. Leonberg, 2001.
Cita MLA (8th ed.)Hans-Willi Walter <Leonberg> i Jürgen Wishkow. Visionen 2002: The Toy-Rarity-Company. 2001.
Atenció: Aquestes cites poden no estar 100% correctes.