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Dyfyniad Arddull ChicagoElliott, Paul A., Charles Watkins, and Stephen Daniels. The British Arboretum: Trees, Science and Culture in the Nineteenth Century. Pittsburgh, Pennsylvania: University of Pittsburgh Press, 2016.
Dyfyniad MLAElliott, Paul A., et al. The British Arboretum: Trees, Science and Culture in the Nineteenth Century. University of Pittsburgh Press, 2016.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.