Winterbottom, J. M. (1966). A list of the birds of the Ceres District. Percy FitzPatrick Institute of African Ornithology.
Lua i Stíl Chicago (17ú heag.)Winterbottom, J. M. A List of the Birds of the Ceres District. [Rondebosch, C.P., South Africa]: Percy FitzPatrick Institute of African Ornithology, 1966.
Lua MLA (8ú heag.)Winterbottom, J. M. A List of the Birds of the Ceres District. Percy FitzPatrick Institute of African Ornithology, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.