((IUCN |id=22718174 |taxon=''Passer domesticus'' |assessors=Bob Hope |assessment_year=2012 |version=2013.2 |accessdate=22 November 2013 |ref=((harvid|Hope|2012)) ))
((IUCN |id=22718174 |taxon=''Passer domesticus'' |first=Bob |last=Hope |assessment_year=2012 |version=2013.2 |accessdate=22 November 2013 ))
((wikicite |reference=((IUCN2008 |assessors=Anderson, M.; Mills, G. |year=2008 |id=18372 |title=Proteles cristatus: Aardwolf |downloaded=22 March 2009 )) |ref=((harvid|Anderson|Mills|2008)) ))