higway, A. A. o. s. (1980). Interin Specifications Bridges 1980. AASHTO.
Citación estilo Chicagohigway, AMERICAN Assocition of state. Interin Specifications Bridges 1980. AASHTO, 1980.
Cita MLAhigway, AMERICAN Assocition of state. Interin Specifications Bridges 1980. AASHTO, 1980.
Warning: These citations may not always be 100% accurate.