Southern States Association of the Commissioners of Agriculture. Proceedings of the annual convention. Southern States Association of the Commissioners of Agriculture.
Chicago-referens (17:e uppl.)Southern States Association of the Commissioners of Agriculture. Proceedings of the Annual Convention. Raleigh, N.C.: Southern States Association of the Commissioners of Agriculture.
MLA-referens (8:e uppl.)Southern States Association of the Commissioners of Agriculture. Proceedings of the Annual Convention. Southern States Association of the Commissioners of Agriculture.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.