Plant Protection, Ltd. (1957). Plant protection conference, 1956: Proceedings of the second international conference at Fernhurst Research Station, England. Academic Press Inc. ; Bulterworths Scientific Publications.
Lua i Stíl Chicago (17ú heag.)Plant Protection, Ltd. Plant Protection Conference, 1956: Proceedings of the Second International Conference at Fernhurst Research Station, England. New York : London: Academic Press Inc. ; Bulterworths Scientific Publications, 1957.
Lua MLA (8ú heag.)Plant Protection, Ltd. Plant Protection Conference, 1956: Proceedings of the Second International Conference at Fernhurst Research Station, England. Academic Press Inc. ; Bulterworths Scientific Publications, 1957.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.