Dyfyniad APA

Prepared by an OECD road research group. (1974). Urban traffic models: Possibilities for simplification a report. Paris: Organisation for Economic Co-operation and Development.

Dyfyniad Arddull Chicago

Prepared by an OECD road research group. Urban Traffic Models: Possibilities for Simplification a Report. Paris: Organisation for Economic Co-operation and Development, 1974.

Dyfyniad MLA

Prepared by an OECD road research group. Urban Traffic Models: Possibilities for Simplification a Report. Paris: Organisation for Economic Co-operation and Development, 1974.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.