Gaya APA

Brown, E. (1989). Evaluation Of Variability In Resilient Modulus Test Result (ASTM D 4123) . : National Center for Asphalt Technology.

Gaya MLA

Brown, E.Ray. "Evaluation Of Variability In Resilient Modulus Test Result (ASTM D 4123)". : National Center for Asphalt Technology, 1989. Text.