Παραπομπή APA

(1962). Wilderness and recreation: A report on resources, values, and problems. Washington, D.C: Outdoor Recreation for America.

Παραπομπή Chicago Style

Wilderness and Recreation: A Report On Resources, Values, and Problems. Washington, D.C: Outdoor Recreation for America, 1962.

Παραπομπή MLA

Wilderness and Recreation: A Report On Resources, Values, and Problems. Washington, D.C: Outdoor Recreation for America, 1962.

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