Mayr, Ernst; Cottrell, G. William (编). Check-List of Birds of the World1 2nd. Cambridge, Massachusetts: Museum of Comparative Zoology. 1979: 269 [2023-10-24]. (原始内容存档于2021-08-19) (英语).
Mayr, Ernst; Cottrell, G. William (编). Check-List of Birds of the World1 2nd. Cambridge, Massachusetts: Museum of Comparative Zoology. 1979: 269 [2023-10-24]. (原始内容存档于2021-08-19) (英语).