Cofnodi Dyfyniadau

Dyfyniad APA
United States. Bureau of Transportation Statistics, ebrary, Inc, Citro, C. F., & Norwood, J. L. (1997). The Bureau of Transportation Statistics: Priorities for the future. National Academy Press.
Dyfyniad Arddull Chicago
United States. Bureau of Transportation Statistics, Inc ebrary, Constance F. Citro, and Janet Lippe Norwood. The Bureau of Transportation Statistics: Priorities for the Future. Washington, D.C.: National Academy Press, 1997.
Dyfyniad MLA
United States. Bureau of Transportation Statistics, et al. The Bureau of Transportation Statistics: Priorities for the Future. National Academy Press, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.