Witherby, H. F., Jourdain, F. C. R., Ticehurst, N. F., & Tucker, B. W. (1938). The handbook of British birds. H. F. & G. Witherby.
MLA CitationWitherby, H. F., et al. The Handbook of British Birds. H. F. & G. Witherby, 1938.
Warning: These citations have been automatically generated and may not always be 100% accurate..