American Association of State Highway and Transportation Officials. (2009). Standard specifications for transportation materials and methods of sampling and testing (29th ed.). American Association of State Highway and Transportation Officials.
Style de citation Chicago (17e éd.)American Association of State Highway and Transportation Officials. Standard Specifications for Transportation Materials and Methods of Sampling and Testing. 29th ed. Washington, DC: American Association of State Highway and Transportation Officials, 2009.
Style de citation MLA (8e éd.)American Association of State Highway and Transportation Officials. Standard Specifications for Transportation Materials and Methods of Sampling and Testing. 29th ed. American Association of State Highway and Transportation Officials, 2009.