APA-referens (7:e uppl.)

Hall, J. C. (1981). A review of the North and Central American species of Paravilla Painter (Diptera--Bombyliidae). University of California.

Chicago-referens (17:e uppl.)

Hall, Jack Clayton. A Review of the North and Central American Species of Paravilla Painter (Diptera--Bombyliidae). Berkeley: University of California, 1981.

MLA-referens (9:e uppl.)

Hall, Jack Clayton. A Review of the North and Central American Species of Paravilla Painter (Diptera--Bombyliidae). University of California, 1981.