Gaya APA

Program, N, C, H, R. (2004). NCHRP Syn 338 Thin and Ultra-Thin Whitetopping . Washington: TRB.

Gaya MLA

Program, National, Cooperative, Highway, Research. "NCHRP Syn 338 Thin and Ultra-Thin Whitetopping". Washington: TRB, 2004. Text.