Não informado. (1949). Economic report. Edinburgh and East of Scotland College of Agriculture.
Chicagoスタイル(17版)引用形式Não informado. Economic Report. Edinburgh, Inglaterra: Edinburgh and East of Scotland College of Agriculture, 1949.
MLA(8版)引用形式Não informado. Economic Report. Edinburgh and East of Scotland College of Agriculture, 1949.
警告: この引用は必ずしも正確ではありません.