Não informado. (1988). Historical Biology: An international journal of paleobiology. Harwood Academic Publishers.
Chicago-referens (17:e uppl.)Não informado. Historical Biology: An International Journal of Paleobiology. Chur, Suíça: Harwood Academic Publishers, 1988.
MLA-referens (8:e uppl.)Não informado. Historical Biology: An International Journal of Paleobiology. Harwood Academic Publishers, 1988.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.