(1968). From sea to shining sea: A report on the American environment-our natural heritage. Washington, D.C: Government Printing Office.
Παραπομπή Chicago StyleFrom Sea to Shining Sea: A Report On the American Environment-our Natural Heritage. Washington, D.C: Government Printing Office, 1968.
Παραπομπή MLAFrom Sea to Shining Sea: A Report On the American Environment-our Natural Heritage. Washington, D.C: Government Printing Office, 1968.
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