Drabelle, D. (2021). The power of scenery: Frederick Law Olmsted and the origin of national parks. University of Nebraska Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDrabelle, Dennis. The Power of Scenery: Frederick Law Olmsted and the Origin of National Parks. Lincoln: University of Nebraska Press, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDrabelle, Dennis. The Power of Scenery: Frederick Law Olmsted and the Origin of National Parks. University of Nebraska Press, 2021.
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