APA (7th ed.) Zitazioa
ebrary, Inc. (1995). Measuring and improving infrastructure performance. National Academy Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc. Measuring and Improving Infrastructure Performance. Washington, DC: National Academy Press, 1995.
MLA (9th ed.) Zitazioa
ebrary, Inc. Measuring and Improving Infrastructure Performance. National Academy Press, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.