Não informado. (1960). Conservationist. New York State Department of Environmental Conservation.
Chicagoスタイル(17版)引用形式Não informado. Conservationist. Albany, NY: New York State Department of Environmental Conservation, 1960.
MLA(8版)引用形式Não informado. Conservationist. New York State Department of Environmental Conservation, 1960.
警告: この引用は必ずしも正確ではありません.