Standard specifications for transportation materials and methods of sampling and testing part 1: specifications 2
American Association of State Highway and Transportation Officials, 2008
 Buku Referensi
Standard specifications for transportation materials and methods of sampling and testing part 2: specifications 4
American Association of State Highway and Transportation Officials, 2008
 Buku Referensi
Standard specifications for transportation materials and methods of sampling and testing: provisional standards part 2: tests 2
American Association of State Highway and Transportation Officials
American Association of State Highway and Transportation Officials, 2008
 Buku Referensi
Standard specifications for transportation materials and methods of sampling and testing: provisional standards part 2: tests 1
American Association of State Highway and Transportation Officials
American Association of State Highway and Transportation Officials, 2008
 Buku Referensi
Standard specifications for transportation materials and methods of sampling and testing part 1: specifications 1
American Association of State Highway and Transportation Officials, 2008
 Buku Referensi