Cita APA

American association of state highway officials. (1958). Standard specifications for highway materials and methods of sampling and testing Washington.

Citación estilo Chicago

American association of state highway officials. Standard Specifications for Highway Materials and Methods of Sampling and Testing. 7a. ed. Washington, 1958.

Cita MLA

American association of state highway officials. Standard Specifications for Highway Materials and Methods of Sampling and Testing. 7a. ed. Washington, 1958.