Gaya APA

Lytton, , R. (1990). NCHRP 327. Determining asphaltic concrete pavement structural properties by nondestructive testing . : TRB.

Gaya MLA

Lytton, , R.L.. "NCHRP 327. Determining asphaltic concrete pavement structural properties by nondestructive testing". : TRB, 1990. Chart.