Norby, R. J., Ledford, J., Reilly, C. D., Miller, N. E., & O'Neill, E. G. (2004). Fine-root production dominates response of a deciduous forest to atmospheric CO(2) enrichment. National Academy of Sciences.
استشهاد بنمط شيكاغوNorby, Richard J., Joanne Ledford, Carolyn D. Reilly, Nicole E. Miller, و Elizabeth G. O'Neill. Fine-root Production Dominates Response of a Deciduous Forest to Atmospheric CO(2) Enrichment. National Academy of Sciences, 2004.
MLA استشهادNorby, Richard J., et al. Fine-root Production Dominates Response of a Deciduous Forest to Atmospheric CO(2) Enrichment. National Academy of Sciences, 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.