Cita APA

American Association of State Highway and Transportation Officials. (2012). Standard Specifications for Transportation Materials and Methods of Sampling and Testing.: Part 1B: Specifications. (32nd Edition.). Washintong D.C: AASHTO.

Citación estilo Chicago

American Association of State Highway and Transportation Officials. Standard Specifications for Transportation Materials and Methods of Sampling and Testing.: Part 1B: Specifications. 32nd Edition. Washintong D.C: AASHTO, 2012.

Cita MLA

American Association of State Highway and Transportation Officials. Standard Specifications for Transportation Materials and Methods of Sampling and Testing.: Part 1B: Specifications. 32nd Edition. Washintong D.C: AASHTO, 2012.