Canadian Wildlife Service, BC Environment. Wildlife Branch, Campbell, R. W., Rodriguez, I., Tyrrell, C., Chow, F. J., . . . Symons, M. H. (1997). The birds of British Columbia. UBC Press.
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Chicago-čujuhus (17. p.)
Canadian Wildlife Service, et al. The Birds of British Columbia. Vancouver, British Columbia: UBC Press, 1997.
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MLA-čujuhus (9. p.)
Canadian Wildlife Service, et al. The Birds of British Columbia. UBC Press, 1997.
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