Dyfyniad APA
ebrary, Inc, & Sloboda, B. W. (2009). Transportation statistics. J. Ross Pub..
Dyfyniad Arddull Chicago
ebrary, Inc, and Brian W. Sloboda. Transportation Statistics. Fort Lauderdale, Fla: J. Ross Pub., 2009.
Dyfyniad MLA
ebrary, Inc, and Brian W. Sloboda. Transportation Statistics. J. Ross Pub., 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.