Não informado. (1892). Bulletin of the British Ornithologists Club. British Ornithologists Club.
Chicago (17e ed.) BronvermeldingNão informado. Bulletin of the British Ornithologists Club. London: British Ornithologists Club, 1892.
MLA (8e ed.) BronvermeldingNão informado. Bulletin of the British Ornithologists Club. British Ornithologists Club, 1892.
Let op: Deze citaties zijn niet altijd 100% accuraat.