Não informado. (2012). Arboriculture & Urban Forestry. International Society of Arboriculture.
Chicagoスタイル(17版)引用形式Não informado. Arboriculture & Urban Forestry. Champaign, Ill: International Society of Arboriculture, 2012.
MLA(8版)引用形式Não informado. Arboriculture & Urban Forestry. International Society of Arboriculture, 2012.
警告: この引用は必ずしも正確ではありません.