Deismireacht APA

Burfield, I., Bommel, F. v., Gallo-Orsi, U., & Nagy, S. (2004). Birds in Europe: Population estimates, trends and conservation status. Cambridge: BirdLife International.

Chicago Style Citation

Burfield, Ian., Franz van Bommel, Umberto Gallo-Orsi, and Szabolcs Nagy. Birds in Europe: Population Estimates, Trends and Conservation Status. Cambridge: BirdLife International, 2004.

Deismireacht MLA

Burfield, Ian., Franz van Bommel, Umberto Gallo-Orsi, and Szabolcs Nagy. Birds in Europe: Population Estimates, Trends and Conservation Status. Cambridge: BirdLife International, 2004.

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