APA aipamena

higway, A. A. o. s. (1980). Interin Specifications Bridges 1980. AASHTO.

Chicago Style aipamena

higway, AMERICAN Assocition of state. Interin Specifications Bridges 1980. AASHTO, 1980.

MLA aipamena

higway, AMERICAN Assocition of state. Interin Specifications Bridges 1980. AASHTO, 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.