Koepke, F. J., & Levinson, H. S. (1992). Access management guidelines for activity centers. Transportation Research Board, national Research Council National Academy Press.
Chicago Style aipamenaKoepke, Frank J., and Herbert S. Levinson. Access Management Guidelines for Activity Centers. Washington, D.C: Transportation Research Board, national Research Council National Academy Press, 1992.
MLA aipamenaKoepke, Frank J., and Herbert S. Levinson. Access Management Guidelines for Activity Centers. Transportation Research Board, national Research Council National Academy Press, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.