Gaya APA

Hanna, Amir N.. (2009). Guide for pavement friction: Background and research. NCHRP Research Result Digest 321; . : TRB.

Gaya Chicago

Hanna, Amir N.. Guide for pavement friction: Background and research. NCHRP Research Result Digest 321;. : TRB, 2009. Flash Card.

Gaya MLA

Hanna, Amir N.. Guide for pavement friction: Background and research. NCHRP Research Result Digest 321;. : TRB, 2009. Flash Card.

Gaya Turabian

Hanna, Amir N.. Guide for pavement friction: Background and research. NCHRP Research Result Digest 321;. : TRB, 2009. Flash Card.