Παραπομπή APA

Knetsch, J. L. (1969). Federal natural resources development: Basic issues in benefit and cost measurement. Washington, D.C: Natural Resources Policy Center.

Παραπομπή Chicago Style

Knetsch, Jack L. Federal Natural Resources Development: Basic Issues in Benefit and Cost Measurement. Washington, D.C: Natural Resources Policy Center, 1969.

Παραπομπή MLA

Knetsch, Jack L. Federal Natural Resources Development: Basic Issues in Benefit and Cost Measurement. Washington, D.C: Natural Resources Policy Center, 1969.

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