Gaya APA

Groeger, , J, L. (1992). Introduction to Strategic Highway Research Program-Long-Term Pavement Performance Asphalt Concrete Resilient Modulus Testing Program . : s.n..

Gaya MLA

Groeger, , Jonathan, L.. "Introduction to Strategic Highway Research Program-Long-Term Pavement Performance Asphalt Concrete Resilient Modulus Testing Program". : s.n., 1992. Text.