Βαλτόπαπια (Greek Wikipedia)

Analysis of information sources in references of the Wikipedia article "Βαλτόπαπια" in Greek language version.

refsWebsite

Global rank Greek rank

6^th place

5^th place

2,179^th place

2,415^th place

archive.org

Madge, Steve· Burn, Hilary (1988). Wildfowl An identification guide to the ducks, geese and swans of the world. Christopher Helm. σελίδες 252-253. ISBN 0-7470-2201-1.

birdlife.org

«Ferruginous Duck Aythya nyroca». Birdlife International. Ανακτήθηκε στις 15 Οκτωβρίου 2016.