Watson, G. W. (2000). Root injury and tree health. Champaign: International Society of Arboriculture.
Čikaški stil citiranjaWatson, Gary W. Root Injury and Tree Health. Champaign: International Society of Arboriculture, 2000.
MLA način citiranjaWatson, Gary W. Root Injury and Tree Health. Champaign: International Society of Arboriculture, 2000.
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