Thorpe, E. (2009). The person general knowledge manual 2009. Dorling Kindersley.
Chicago Style aipamenaThorpe, Edgas. The Person General Knowledge Manual 2009. New Delhi: Dorling Kindersley, 2009.
MLA aipamenaThorpe, Edgas. The Person General Knowledge Manual 2009. Dorling Kindersley, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.