Lister, A., & Bahn, P. G. (2015). Mammoths: Giants of the ice age (revised edition.). New York, New York Chartwell Books an imprint of Book Sales.
Chicago-viite (17. p.)Lister, Adrian, ja Paul G. Bahn. Mammoths: Giants of the Ice Age. revised edition. New York, New York Chartwell Books an imprint of Book Sales, 2015.
MLA-viite (9. p.)Lister, Adrian, ja Paul G. Bahn. Mammoths: Giants of the Ice Age. revised edition. New York, New York Chartwell Books an imprint of Book Sales, 2015.
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