American Water Works Association, American National Standards Institute, & ebrary, Inc. (2012). Granular activated carbon. American Water Works Association.
Lua i Stíl Chicago (17ú heag.)American Water Works Association, American National Standards Institute, agus Inc ebrary. Granular Activated Carbon. [New York?]: American Water Works Association, 2012.
Lua MLA (9ú heag.)American Water Works Association, et al. Granular Activated Carbon. American Water Works Association, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.