Não informado. (2001). Annual Report. North Carolina State College of Agriculture and Engineering, Agricultural Extension Service.
Chicago-viite (17. p.)Não informado. Annual Report. Raleigh, NC: North Carolina State College of Agriculture and Engineering, Agricultural Extension Service, 2001.
MLA-viite (8. p.)Não informado. Annual Report. North Carolina State College of Agriculture and Engineering, Agricultural Extension Service, 2001.
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