Não informado. (1930). Bird Banding. North-Eastern Bird-Banding Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Bird Banding. Boston, Mass: North-Eastern Bird-Banding Association, 1930.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Bird Banding. North-Eastern Bird-Banding Association, 1930.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.