APA (7th ed.) Zitazioa

(1991). Hazardous Waste: DoD Estimates for Cleaning Up Contaminated Sites Improved but Still Constrained.

Chicago Style (17th ed.) Zitazioa

Hazardous Waste: DoD Estimates for Cleaning Up Contaminated Sites Improved but Still Constrained. 1991.

MLA (9th ed.) Zitazioa

Hazardous Waste: DoD Estimates for Cleaning Up Contaminated Sites Improved but Still Constrained. 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.