Cherry, Stefan D.; Erick C.M. Fernandes (1998). "Agroforestry at Cornell – Live Fences". Archived from the original on 2006-04-23. பார்க்கப்பட்ட நாள் 12-04-2017. {{cite web}}: Check date values in: |accessdate= (help); Cite has empty unknown parameter: |3= (help)CS1 maint: unfit URL (link)
