Dyfyniad APA

Johnson, E. R. (1909). Elements of transportation: A discussion of steam railroad, electric railway, and ocean and inland water transportation. D. Appleton and Company.

Dyfyniad Arddull Chicago

Johnson, Emory R. Elements of Transportation: A Discussion of Steam Railroad, Electric Railway, and Ocean and Inland Water Transportation. New York, ; London,: D. Appleton and Company, 1909.

Dyfyniad MLA

Johnson, Emory R. Elements of Transportation: A Discussion of Steam Railroad, Electric Railway, and Ocean and Inland Water Transportation. D. Appleton and Company, 1909.

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