Dyfyniad APA
ebrary, Inc. (2002). Effectiveness and impact of corporate average fuel economy (CAFE) standards. National Academy Press.
Dyfyniad Arddull Chicago
ebrary, Inc. Effectiveness and Impact of Corporate Average Fuel Economy (CAFE) Standards. Washington, D.C.: National Academy Press, 2002.
Dyfyniad MLA
ebrary, Inc. Effectiveness and Impact of Corporate Average Fuel Economy (CAFE) Standards. National Academy Press, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.