Taxon - Odkazy a literatura
Ruggiero M. (ed) (2008): World Bee Checklist [http://www.itis.gov/beechecklist.html], ITIS [jako Calliopsis barri (Rozen, 1959)]Datum citace: 10. duben 2010
Ruggiero M. (ed) (2008): World Bee Checklist [http://www.itis.gov/beechecklist.html], ITIS [jako Calliopsis barri (Rozen, 1959)]