APA aipamena

National Research Council (U.S.). Transportation Research Board. (1996). Research problem statements: Design and construction of transportation facilities. Transportation Research Board, National Research Council.

Chicago Style aipamena

National Research Council (U.S.). Transportation Research Board. Research Problem Statements: Design and Construction of Transportation Facilities. Washington, D.C: Transportation Research Board, National Research Council, 1996.

MLA aipamena

National Research Council (U.S.). Transportation Research Board. Research Problem Statements: Design and Construction of Transportation Facilities. Transportation Research Board, National Research Council, 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.