Wolfe, Martin S.; Pearce, Bruce D.; Smith, Jo (December 2012). "A European perspective for developing modern multifunctional agroforestry systems for sustainable intensification". Renewable Agriculture and Food Systems. 27 (4): 323–332. doi:10.1017/S1742170511000597. ISSN1742-1713. S2CID55873482.
Wolfe, Martin S.; Pearce, Bruce D.; Smith, Jo (December 2012). "A European perspective for developing modern multifunctional agroforestry systems for sustainable intensification". Renewable Agriculture and Food Systems. 27 (4): 323–332. doi:10.1017/S1742170511000597. ISSN1742-1713. S2CID55873482.
Gabriel, Steve (2018). Silvopasture : a guide to managing grazing animals, forage crops, and trees in a temperate farm ecosystem. White River Junction, Vermont. ISBN9781603587310. OCLC1020304962.{{cite book}}: CS1 maint: location missing publisher (link)
Wolfe, Martin S.; Pearce, Bruce D.; Smith, Jo (December 2012). "A European perspective for developing modern multifunctional agroforestry systems for sustainable intensification". Renewable Agriculture and Food Systems. 27 (4): 323–332. doi:10.1017/S1742170511000597. ISSN1742-1713. S2CID55873482.