Patton, D. (1926). Notes on Bluebirds in Alberta. Zenodo.
Lua i Stíl Chicago (17ú heag.)Patton, Dan. Notes on Bluebirds in Alberta. Zenodo, 1926.
Lua MLA (9ú heag.)Patton, Dan. Notes on Bluebirds in Alberta. Zenodo, 1926.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.