The larger illustrated guide to birds of southern Africa - Sinclair, Ian (Struik, 2005)
Rev. ed. of: Sasol--the larger illustrated guide to birds of southern Africa / Ian Sinclair and Phil Hockey. 1996. - Also available in Afrikaans as Sasol groter geillustreerde gids to voels van Suider-Afrika (ISBN 978-1-77007-260-2)
Includes bibliographical references (p. 440-441)