Shelby, B., & Hoberlein, T. A. (1986). Carrying capacity in recreation setting. Oregon State University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रShelby, Bo, और Thomas A. Hoberlein. Carrying Capacity in Recreation Setting. Corvallis, Orlando: Oregon State University Press, 1986.
एमएलए (9वां संस्करण) प्रशस्ति पत्रShelby, Bo, और Thomas A. Hoberlein. Carrying Capacity in Recreation Setting. Oregon State University Press, 1986.
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