American Association of State Highway and Transportation Officials. (2002). Standard specifications for transportation materials and methods of sampling and testing (22nd ed.). American Association of State Highway and Transportation Officials.
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Chicago Style (17th ed.) Zitazioa
American Association of State Highway and Transportation Officials. Standard Specifications for Transportation Materials and Methods of Sampling and Testing. 22nd ed. Washington: American Association of State Highway and Transportation Officials, 2002.
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MLA (9th ed.) Zitazioa
American Association of State Highway and Transportation Officials. Standard Specifications for Transportation Materials and Methods of Sampling and Testing. 22nd ed. American Association of State Highway and Transportation Officials, 2002.
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