Beolens, Watkins & Grayson: The Eponym Dictionary of Mammals. Johns Hopkins University Press, Baltimore 2009, ISBN 978-0-8018-9304-9, S.18 (Attenborough).
Beolens, Watkins & Grayson: The Eponym Dictionary of Mammals. Johns Hopkins University Press, Baltimore 2009, ISBN 978-0-8018-9304-9, S.95 (Cyclops).