Tisdale, W. B. (1922). Tobacco diseases in Gadsden County in 1922: With suggestions for their prevention and control. University of Florida Agricultural Experiment Station.
Chicago-referens (17:e uppl.)Tisdale, W. B. Tobacco Diseases in Gadsden County in 1922: With Suggestions for Their Prevention and Control. Gainesville, Fla.: University of Florida Agricultural Experiment Station, 1922.
MLA-referens (8:e uppl.)Tisdale, W. B. Tobacco Diseases in Gadsden County in 1922: With Suggestions for Their Prevention and Control. University of Florida Agricultural Experiment Station, 1922.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.