Não informado. (2003). Cooperative plant pest report. U.S. Department of Agriculture, Animal and Plant Health Inspection Service.
Cita Chicago Style (17a ed.)Não informado. Cooperative Plant Pest Report. Hyattsville, Md: U.S. Department of Agriculture, Animal and Plant Health Inspection Service, 2003.
Cita MLA (8a ed.)Não informado. Cooperative Plant Pest Report. U.S. Department of Agriculture, Animal and Plant Health Inspection Service, 2003.
Precaución: Estas citas no son 100% exactas.