APA aipamena

West Virginia Solid Waste Management Board. West Virginia Solid Waste Management Plan 2007.

Chicago Style aipamena

West Virginia Solid Waste Management Board. West Virginia Solid Waste Management Plan 2007.

MLA aipamena

West Virginia Solid Waste Management Board. West Virginia Solid Waste Management Plan 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.