Não informado. (1947). Scottish forestry. Royal Scottish Forestry Society.
Chicagoスタイル(17版)引用形式Não informado. Scottish Forestry. Edinburgh, Inglaterra: Royal Scottish Forestry Society, 1947.
MLA(8版)引用形式Não informado. Scottish Forestry. Royal Scottish Forestry Society, 1947.
警告: この引用は必ずしも正確ではありません.