APA aipamena

(1994). The Asphalt Handbook. The Asphalt Institute.

Chicago Style aipamena

The Asphalt Handbook. The Asphalt Institute, 1994.

MLA aipamena

The Asphalt Handbook. The Asphalt Institute, 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.