APA (7th ed.) Zitazioa
Wright, P. H. (1996). Highway engineering (6th ed.). John Wiley.
Chicago Style (17th ed.) Zitazioa
Wright, Paul H. Highway Engineering. 6th ed. New York: John Wiley, 1996.
MLA (9th ed.) Zitazioa
Wright, Paul H. Highway Engineering. 6th ed. John Wiley, 1996.
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