Hall, J. C. (1981). A review of the North and Central American species of Paravilla Painter (Diptera--Bombyliidae). University of California.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHall, Jack Clayton. A Review of the North and Central American Species of Paravilla Painter (Diptera--Bombyliidae). Berkeley: University of California, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHall, Jack Clayton. A Review of the North and Central American Species of Paravilla Painter (Diptera--Bombyliidae). University of California, 1981.
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