Lawson, W. J. (1971). Checklist of the birds of Durban. Percy Fitzpatrick Institute of African Ornithology.
Lua i Stíl Chicago (17ú heag.)Lawson, Walter James. Checklist of the Birds of Durban. [Cape Town]: Percy Fitzpatrick Institute of African Ornithology, 1971.
Lua MLA (8ú heag.)Lawson, Walter James. Checklist of the Birds of Durban. Percy Fitzpatrick Institute of African Ornithology, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.