Sula leucogaster (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sula leucogaster" in Italian language version.

refsWebsite

Global rank Italian rank

1iucnredlist.org

88^th place

77^th place

1worldbirdnames.org

1,007^th place

182^nd place

1books.google.com

3^rd place

14^th place

5^th place

26^th place

books.google.com

(EN) Nigel Redman, Terry Stevenson e John Fanshawe, Birds of the Horn of Africa: Ethiopia, Eritrea, Djibouti, Somalia, and Socotra - Revised and Expanded Edition, Princeton University Press, 2016, p. 44, ISBN 978-0-691-17289-7, OCLC 944380248. URL consultato il 13 dicembre 2018.

iucnredlist.org

apiv3.iucnredlist.org

(EN) BirdLife International 2012, Sula leucogaster, su IUCN Red List of Threatened Species, Versione 2020.2, IUCN, 2020. URL consultato il 15 ottobre 2015.

worldbirdnames.org

(EN) F. Gill e D. Donsker (a cura di), Family Sulidae, in IOC World Bird Names (ver 9.2), International Ornithologists’ Union, 2019. URL consultato il 15 ottobre 2015.

worldcat.org

(EN) Nigel Redman, Terry Stevenson e John Fanshawe, Birds of the Horn of Africa: Ethiopia, Eritrea, Djibouti, Somalia, and Socotra - Revised and Expanded Edition, Princeton University Press, 2016, p. 44, ISBN 978-0-691-17289-7, OCLC 944380248. URL consultato il 13 dicembre 2018.