Cita APA (7th ed.)
ebrary, Inc. (2001). Evaluating vehicle emissions inspection and maintenance programs. National Academy Press.
Cita Chicago (17th ed.)
ebrary, Inc. Evaluating Vehicle Emissions Inspection and Maintenance Programs. Washington, D.C.: National Academy Press, 2001.
Cita MLA (9th ed.)
ebrary, Inc. Evaluating Vehicle Emissions Inspection and Maintenance Programs. National Academy Press, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.