Allin, C. W. (1990). International handbook of national parks and nature reserves. New York, New York: Greenwood.
Citación estilo ChicagoAllin, Craig Willard. International Handbook of National Parks and Nature Reserves. New York, New York: Greenwood, 1990.
Cita MLAAllin, Craig Willard. International Handbook of National Parks and Nature Reserves. New York, New York: Greenwood, 1990.
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