(1997). The great book of birds: The comprehensive illustrated guide to 600 species and their environments. Philadelphia, Pennsylvania: Courage Books.
Style de citation ChicagoThe Great Book of Birds: The Comprehensive Illustrated Guide to 600 Species and Their Environments. Philadelphia, Pennsylvania: Courage Books, 1997.
Style de citation MLAThe Great Book of Birds: The Comprehensive Illustrated Guide to 600 Species and Their Environments. Philadelphia, Pennsylvania: Courage Books, 1997.
Attention : ces citations peuvent ne pas être correctes à 100%.