Gaya APA
Officials, A, A, O, S, H, A, T. (1986).
AASHTO guide for design of pavement structures 1986 .
Washington:
American Association of state Highway and Transportation Officials.
Gaya MLA
Officials, AMERICAN, Association, Of, State, Highway, And, Transportation.
"AASHTO guide for design of pavement structures 1986".
Washington:
American Association of state Highway and Transportation Officials,
1986.
Buku.