Gaya APA

Ryan, P. H.. (1986). Abrasion Resistance of Aliminium Culvert Based on Long-Term Field Performance . : TRB.

Gaya Chicago

Ryan, P. H.. Abrasion Resistance of Aliminium Culvert Based on Long-Term Field Performance. : TRB, 1986. Computer Software.

Gaya MLA

Ryan, P. H.. Abrasion Resistance of Aliminium Culvert Based on Long-Term Field Performance. : TRB, 1986. Computer Software.

Gaya Turabian

Ryan, P. H.. Abrasion Resistance of Aliminium Culvert Based on Long-Term Field Performance. : TRB, 1986. Computer Software.