Phillips, W. W. A. (1978). The 1978 revised edition of the annotated checklist of the birds of Ceylon (Sri Lanka). Wildlife and Nature Protection Society of Ceylon in association with the Ceylon Bird Club.
Chicago-referens (17:e uppl.)Phillips, W. W. A. The 1978 Revised Edition of the Annotated Checklist of the Birds of Ceylon (Sri Lanka). [Colombo]: Wildlife and Nature Protection Society of Ceylon in association with the Ceylon Bird Club, 1978.
MLA-referens (8:e uppl.)Phillips, W. W. A. The 1978 Revised Edition of the Annotated Checklist of the Birds of Ceylon (Sri Lanka). Wildlife and Nature Protection Society of Ceylon in association with the Ceylon Bird Club, 1978.
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