Gaya APA

Kent, P, H, R. (2009). Guidelines For The Use Of Reclaimed Asphalt Shingles In Asphalt Pavement . America: NAPA.

Gaya MLA

Kent, P.E., Hansen,, R.. "Guidelines For The Use Of Reclaimed Asphalt Shingles In Asphalt Pavement". America: NAPA, 2009. Text.