Não informado. (1986). Washington Park Arboretum bulletin. University of Washington, Arboretum Foundation.
Chicagoスタイル(17版)引用形式Não informado. Washington Park Arboretum Bulletin. Seattle, Wash: University of Washington, Arboretum Foundation, 1986.
MLA(8版)引用形式Não informado. Washington Park Arboretum Bulletin. University of Washington, Arboretum Foundation, 1986.
警告: この引用は必ずしも正確ではありません.