„Delalande-selyemkakukk” változatai közötti eltérés

* Robert B. Payne: The Cuckoos. Bird Families of the World. Volume 15, Oxford University Press, 2005 {{ISBN |0-19-850213-3}}

* James C. Greenway: Extinct and Vanishing Birds of the World. Dover Publications Inc., New York 1967, {{ISBN |0-486-21869-4}}.

* Errol Fuller: Extinct Birds. 2000, {{ISBN |0-8160-1833-2}}.

* David Day: The Doomsday Book of Animals. Ebury Press, London 1981, {{ISBN |0670279870}}.

* Tim Flannery & Peter Schouten: A Gap in Nature: Discovering the World's Extinct Animals, Atlantic Monthly Press, New York, 2001. {{ISBN |0-87113-797-6}}