Dyfyniad APA

Benton, M. J., & Sibbick, J. (2015). Vertebrate palaeontology (Fourth edition.). John Wiley & Sons, Ltd..

Dyfyniad Arddull Chicago

Benton, M. J., and John Sibbick. Vertebrate Palaeontology. Fourth edition. West Sussex, England: John Wiley & Sons, Ltd., 2015.

Dyfyniad MLA

Benton, M. J., and John Sibbick. Vertebrate Palaeontology. Fourth edition. John Wiley & Sons, Ltd., 2015.

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