Não informado. (1949). Economic report. Edinburgh and East of Scotland College of Agriculture.
Chicago-Zitierstil (17. Ausg.)Não informado. Economic Report. Edinburgh, Inglaterra: Edinburgh and East of Scotland College of Agriculture, 1949.
MLA-Zitierstil (8. Ausg.)Não informado. Economic Report. Edinburgh and East of Scotland College of Agriculture, 1949.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.