International Programme on Chemical Safety. (2004). Asphalt (Bitumen). World Health Organization.
Chicago Style (17th ed.) CitationInternational Programme on Chemical Safety. Asphalt (Bitumen). Geneva: World Health Organization, 2004.
MLA (9th ed.) CitationInternational Programme on Chemical Safety. Asphalt (Bitumen). World Health Organization, 2004.
Warning: These citations may not always be 100% accurate.