Drouet, F. (1973). Revision of the Nostocaceae with cylindrical trichomes (formerly Scytonemataceae and Rivulariaceae. Hafner Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDrouet, Francis. Revision of the Nostocaceae with Cylindrical Trichomes (formerly Scytonemataceae and Rivulariaceae. New York: Hafner Publishing, 1973.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDrouet, Francis. Revision of the Nostocaceae with Cylindrical Trichomes (formerly Scytonemataceae and Rivulariaceae. Hafner Publishing, 1973.
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