Dale, E. M. S. (1937). Some 1933 Bird Notes from London, Ontario. Zenodo.
Tohutoru Kātū Chicago (17th ed.)Dale, E. M. S. Some 1933 Bird Notes from London, Ontario. Zenodo, 1937.
Tohutoro MLA (9th ed.)Dale, E. M. S. Some 1933 Bird Notes from London, Ontario. Zenodo, 1937.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.