APA
AASHTO, . (1982). Standard Specifications for Transportation Materials and Methods for Sampling and Testing: Part 2 Methods of Sampling and Testing. USAA: American Association of State Highway & Transportation Officials.
Chicago
AASHTO, . 1982. Standard Specifications for Transportation Materials and Methods for Sampling and Testing: Part 2 Methods of Sampling and Testing. USAA: American Association of State Highway & Transportation Officials.
Harvard
AASHTO, . (1982). Standard Specifications for Transportation Materials and Methods for Sampling and Testing: Part 2 Methods of Sampling and Testing. USAA: American Association of State Highway & Transportation Officials.
MLA
AASHTO, . Standard Specifications for Transportation Materials and Methods for Sampling and Testing: Part 2 Methods of Sampling and Testing. USAA: American Association of State Highway & Transportation Officials. 1982.