Cita APA (7th ed.)
ebrary, Inc. (2002). Surface transportation environmental research: A long-term strategy. Transportation Research Board.
Cita Chicago (17th ed.)
ebrary, Inc. Surface Transportation Environmental Research: A Long-term Strategy. Washington, D.C.: Transportation Research Board, 2002.
Cita MLA (9th ed.)
ebrary, Inc. Surface Transportation Environmental Research: A Long-term Strategy. Transportation Research Board, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.