Dyfyniad APA

Oram, R. L. (1987). Transit marketing: Successes and failures. Transportation Research Board, National Research Council.

Dyfyniad Arddull Chicago

Oram, Richard L. Transit Marketing: Successes and Failures. Washington, D.C: Transportation Research Board, National Research Council, 1987.

Dyfyniad MLA

Oram, Richard L. Transit Marketing: Successes and Failures. Transportation Research Board, National Research Council, 1987.

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