Não informado. (1960). Conservationist. New York State Department of Environmental Conservation.
Chicago-Zitierstil (17. Ausg.)Não informado. Conservationist. Albany, NY: New York State Department of Environmental Conservation, 1960.
MLA-Zitierstil (8. Ausg.)Não informado. Conservationist. New York State Department of Environmental Conservation, 1960.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.