Hall, J. C. (1981). A review of the North and Central American species of Paravilla Painter (Diptera--Bombyliidae). University of California.
Chicago Style aipamenaHall, Jack Clayton. A Review of the North and Central American Species of Paravilla Painter (Diptera--Bombyliidae). Berkeley: University of California, 1981.
MLA aipamenaHall, Jack Clayton. A Review of the North and Central American Species of Paravilla Painter (Diptera--Bombyliidae). University of California, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.