Txantiloi:Cite isbn/978111868513
(Ingelesez) Cowen, Richard. (2013). History of Life. (4. argitaraldia) John Wiley & Sons, 336 or. ISBN 9781118685136..
(Ingelesez) Cowen, Richard. (2013). History of Life. (4. argitaraldia) John Wiley & Sons, 336 or. ISBN 9781118685136..