Não informado. (1919). Forestry Commission Bulletin. Forestry Commission.
Chicagoスタイル(17版)引用形式Não informado. Forestry Commission Bulletin. London: Forestry Commission, 1919.
MLA(8版)引用形式Não informado. Forestry Commission Bulletin. Forestry Commission, 1919.
警告: この引用は必ずしも正確ではありません.