Não informado. (1990). Nematological Abstracts. C.A.B. International Information Services.
Lua i Stíl Chicago (17ú heag.)Não informado. Nematological Abstracts. Wallingford, Inglaterra: C.A.B. International Information Services, 1990.
Lua MLA (8ú heag.)Não informado. Nematological Abstracts. C.A.B. International Information Services, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.