Gaya APA

Hanscom, Fred R.. (1975). An evaluation of signing to warn of potentially icy bridges . : TRB.

Gaya Chicago

Hanscom, Fred R.. An evaluation of signing to warn of potentially icy bridges. : TRB, 1975. Chart.

Gaya MLA

Hanscom, Fred R.. An evaluation of signing to warn of potentially icy bridges. : TRB, 1975. Chart.

Gaya Turabian

Hanscom, Fred R.. An evaluation of signing to warn of potentially icy bridges. : TRB, 1975. Chart.