Dyfyniad APA

Pickering, J. H. (2005). America's Switzerland: Estes Park and Rocky Mountain National Park, the growth years. University Press of Colorado.

Dyfyniad Arddull Chicago

Pickering, James H. America's Switzerland: Estes Park and Rocky Mountain National Park, the Growth Years. Boulder: University Press of Colorado, 2005.

Dyfyniad MLA

Pickering, James H. America's Switzerland: Estes Park and Rocky Mountain National Park, the Growth Years. University Press of Colorado, 2005.

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