Dyfyniad APA

Kelly, R., Chipman, M. L., Higuera, P. E., Stefanova, I., Brubaker, L. B., & Hu, F. S. (2013). Recent burning of boreal forests exceeds fire regime limits of the past 10,000 years. National Academy of Sciences.

Dyfyniad Arddull Chicago

Kelly, Ryan, Melissa L. Chipman, Philip E. Higuera, Ivanka Stefanova, Linda B. Brubaker, and Feng Sheng Hu. Recent Burning of Boreal Forests Exceeds Fire Regime Limits of the Past 10,000 Years. National Academy of Sciences, 2013.

Dyfyniad MLA

Kelly, Ryan, et al. Recent Burning of Boreal Forests Exceeds Fire Regime Limits of the Past 10,000 Years. National Academy of Sciences, 2013.

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