Lua APA (7ú heag.)
Wright, P. H. (2004). Highway engineering (7th ed.). John Wiley.
Lua i Stíl Chicago (17ú heag.)
Wright, Paul H. Highway Engineering. 7th ed. New York: John Wiley, 2004.
Lua MLA (9ú heag.)
Wright, Paul H. Highway Engineering. 7th ed. John Wiley, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.