Brienen, R. J. W., Helle, G., Pons, T. L., Guyot, J., & Gloor, M. (2012). Oxygen isotopes in tree rings are a good proxy for Amazon precipitation and El Niño-Southern Oscillation variability. National Academy of Sciences.
استشهاد بنمط شيكاغوBrienen, Roel J. W., Gerd Helle, Thijs L. Pons, Jean-Loup Guyot, و Manuel Gloor. Oxygen Isotopes in Tree Rings Are a Good Proxy for Amazon Precipitation and El Niño-Southern Oscillation Variability. National Academy of Sciences, 2012.
MLA استشهادBrienen, Roel J. W., et al. Oxygen Isotopes in Tree Rings Are a Good Proxy for Amazon Precipitation and El Niño-Southern Oscillation Variability. National Academy of Sciences, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.