Não informado. (1968). Malacological Review. University of Michigan, Museum of Zoology.
Lua i Stíl Chicago (17ú heag.)Não informado. Malacological Review. Ann Arbor, Mich: University of Michigan, Museum of Zoology, 1968.
Lua MLA (8ú heag.)Não informado. Malacological Review. University of Michigan, Museum of Zoology, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.