International Society of Arboriculture. (2000). Tree health management evaluating trees for hazard. U.S.A: American Forestry Association.
Chicago Style aipamenaInternational Society of Arboriculture. Tree Health Management Evaluating Trees for Hazard. U.S.A: American Forestry Association, 2000.
MLA aipamenaInternational Society of Arboriculture. Tree Health Management Evaluating Trees for Hazard. U.S.A: American Forestry Association, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.