Hanson, Harold C.; Richard E. Griffith (January 1, 1952). "Notes on the South Atlantic Canada Goose Population". Bird-Banding. 23 (1): 1–22. doi:10.2307/4510309. JSTOR4510309.
jstor.org
Hanson, Harold C.; Richard E. Griffith (January 1, 1952). "Notes on the South Atlantic Canada Goose Population". Bird-Banding. 23 (1): 1–22. doi:10.2307/4510309. JSTOR4510309.