APA (7th ed.) Zitazioa
Wright, P. H. (2004). Highway engineering (7th ed.). John Wiley.
Chicago Style (17th ed.) Zitazioa
Wright, Paul H. Highway Engineering. 7th ed. New York: John Wiley, 2004.
MLA (9th ed.) Zitazioa
Wright, Paul H. Highway Engineering. 7th ed. John Wiley, 2004.
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