British Toys und Hobbies. British Toy und Hobby Manufacturers Association.
Cita Chicago (17th ed.)British Toys Und Hobbies. London: British Toy und Hobby Manufacturers Association.
Cita MLA (8th ed.)British Toys Und Hobbies. British Toy und Hobby Manufacturers Association.
Atenció: Aquestes cites poden no estar 100% correctes.