APA

American Petroleum Institute A., . (2001). Guide for safe storage and handling of heated petroleum-derived asphalt products and crude-oil residua. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 2001. Guide for safe storage and handling of heated petroleum-derived asphalt products and crude-oil residua. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (2001). Guide for safe storage and handling of heated petroleum-derived asphalt products and crude-oil residua. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Guide for safe storage and handling of heated petroleum-derived asphalt products and crude-oil residua. Washington: American Petroleum Institute, API. 2001.