Cita APA (7th ed.)

ebrary, Inc, & Sloboda, B. W. (2009). Transportation statistics. J. Ross Pub..

Cita Chicago (17th ed.)

ebrary, Inc, i Brian W. Sloboda. Transportation Statistics. Fort Lauderdale, Fla: J. Ross Pub., 2009.

Cita MLA (9th ed.)

ebrary, Inc, i Brian W. Sloboda. Transportation Statistics. J. Ross Pub., 2009.

Atenció: Aquestes cites poden no estar 100% correctes.