Callaghan, T. V., Tweedie, C. E., Åkerman, J., Andrews, C., Bergstedt, J., Butler, M. G., . . . Lund University, F. o. S. (2011). Multi-Decadal Changes in Tundra Environments and Ecosystems. Ambio: a Journal of the Human Environment, 40(6), 705-716. https://doi.org/10.1007/s13280-011-0179-8
Chicago-referens (17:e uppl.)Callaghan, Terry V., et al. "Multi-Decadal Changes in Tundra Environments and Ecosystems." Ambio: A Journal of the Human Environment 40, no. 6 (2011): 705-716. https://doi.org/10.1007/s13280-011-0179-8.
MLA-referens (9:e uppl.)Callaghan, Terry V., et al. "Multi-Decadal Changes in Tundra Environments and Ecosystems." Ambio: A Journal of the Human Environment, vol. 40, no. 6, 2011, pp. 705-716, https://doi.org/10.1007/s13280-011-0179-8.
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