Lua APA (7ú heag.)

ebrary, Inc. (2002). Biosolids applied to land: Advancing standards and practices. National Academies Press.

Lua i Stíl Chicago (17ú heag.)

ebrary, Inc. Biosolids Applied to Land: Advancing Standards and Practices. Washington, D.C.: National Academies Press, 2002.

Lua MLA (9ú heag.)

ebrary, Inc. Biosolids Applied to Land: Advancing Standards and Practices. National Academies Press, 2002.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.