(1994). Biological monitoring of the environment: A manual of methods / edited by J. Salanki, D. Jeffrey and G.M. Hughes.
Lua i Stíl Chicago (17ú heag.)Biological Monitoring of the Environment: A Manual of Methods / Edited by J. Salanki, D. Jeffrey and G.M. Hughes. 1994.
Lua MLA (9ú heag.)Biological Monitoring of the Environment: A Manual of Methods / Edited by J. Salanki, D. Jeffrey and G.M. Hughes. 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.