Tohutoro APA (7th ed.)
Ehlers, J., Hughes, P. D., & Gibbard, P. L. (2016). The Ice Age. Wiley-Blackwell.
Tohutoru Kātū Chicago (17th ed.)
Ehlers, Jürgen, Philip D. Hughes, me Philip L. Gibbard. The Ice Age. Chichester, England: Wiley-Blackwell, 2016.
Tohutoro MLA (9th ed.)
Ehlers, Jürgen, et al. The Ice Age. Wiley-Blackwell, 2016.
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