Não informado. (2001). Annual Report of the Massachusetts Extension Service. Massachusetts Extension Service.
Chicagoスタイル(17版)引用形式Não informado. Annual Report of the Massachusetts Extension Service. Amherst, Mass: Massachusetts Extension Service, 2001.
MLA(8版)引用形式Não informado. Annual Report of the Massachusetts Extension Service. Massachusetts Extension Service, 2001.
警告: この引用は必ずしも正確ではありません.