Lua APA (7ú heag.)
Nduka Okafor. Environmental Microbiology of Aquatic and Waste Systems. Springer.
Lua i Stíl Chicago (17ú heag.)
Nduka Okafor. Environmental Microbiology of Aquatic and Waste Systems. Dordrecht, Holanda: Springer.
Lua MLA (9ú heag.)
Nduka Okafor. Environmental Microbiology of Aquatic and Waste Systems. Springer.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.