(2004). Birds in Europe: Population estimates, trend and conservation status. Cambridge: BirdLife International.
Chicago Style CitationBirds in Europe: Population Estimates, Trend and Conservation Status. Cambridge: BirdLife International, 2004.
MLA CitationBirds in Europe: Population Estimates, Trend and Conservation Status. Cambridge: BirdLife International, 2004.
Warning: These citations may not always be 100% accurate.