Tolong jelaskan mengenai Rujukan dari Tuatara

Daugherty, Charles and Cree, Alison. (1990). Tuatara: a survivor from the dinosaur age. New Zealand Geographic 6 (April–June 1990): 60.

Lutz, Dick (2005). "Tuatara: A Living Fossil". Salem, Oregon: DIMI PRESS. ISBN 0-931625-43-2.

McKintyre, Mary (1997). Conservation of the Tuatara. Victoria University Press. ISBN 0-86473-303-8.

Newman, D. G. (1987). "Tuatara. Endangered New Zealand Wildlife Series". Dunedin, New Zealand: John McIndoe. ISBN 0-86868-098-2.

Parkinson, Brian (2000). The Tuatara. Reed Children’s Books. ISBN 1-86948-831-8.