Não informado. (1950). Rural advisory leaflet. Edinburgh and East of Scotland College of Agriculture.
Chicagoスタイル(17版)引用形式Não informado. Rural Advisory Leaflet. Edinburgh, Inglaterra: Edinburgh and East of Scotland College of Agriculture, 1950.
MLA(8版)引用形式Não informado. Rural Advisory Leaflet. Edinburgh and East of Scotland College of Agriculture, 1950.
警告: この引用は必ずしも正確ではありません.