Dixon, D. (2014). The world encyclopedia of dinosaurs & prehistoric creatures. Anness Publishing Ltd.
Chicago Style aipamenaDixon, Dougal. The World Encyclopedia of Dinosaurs & Prehistoric Creatures. London: Anness Publishing Ltd, 2014.
MLA aipamenaDixon, Dougal. The World Encyclopedia of Dinosaurs & Prehistoric Creatures. Anness Publishing Ltd, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.