Blachly, L., & Jenks, R. (1963). Birds at a glance: Guide to the eastern land birds form south Carolina west to the rocky mountains ad north to the artic. New York: Van Nostransd Reinhold Company.
Citación estilo ChicagoBlachly, Lou,, y Randolph Jenks. Birds At a Glance: Guide to the Eastern Land Birds Form South Carolina West to the Rocky Mountains Ad North to the Artic. New York: Van Nostransd Reinhold Company, 1963.
Cita MLABlachly, Lou,, y Randolph Jenks. Birds At a Glance: Guide to the Eastern Land Birds Form South Carolina West to the Rocky Mountains Ad North to the Artic. New York: Van Nostransd Reinhold Company, 1963.
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