Grigor, J. Arboriculture or a practical treatise on raising and managing forest trees: An on the profitable extension of the woods and forests of grest britain (second edition.). 1881.
Chicago-referens (17:e uppl.)Grigor, John. Arboriculture or a Practical Treatise on Raising and Managing Forest Trees: An on the Profitable Extension of the Woods and Forests of Grest Britain. second edition. Edinburgh [Escocia]: 1881.
MLA-referens (9:e uppl.)Grigor, John. Arboriculture or a Practical Treatise on Raising and Managing Forest Trees: An on the Profitable Extension of the Woods and Forests of Grest Britain. second edition. 1881.
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