Dorling Kindersley Limited. (1997). The Dorling Kindersley illustrated family encyclopedia. Dorling Kindersley.
Cita Chicago (17th ed.)Dorling Kindersley Limited. The Dorling Kindersley Illustrated Family Encyclopedia. London ; New York: Dorling Kindersley, 1997.
Cita MLA (9th ed.)Dorling Kindersley Limited. The Dorling Kindersley Illustrated Family Encyclopedia. Dorling Kindersley, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.