Dyfyniad APA

Trottman, N. S. (1966). History of the Union Pacific: A financial and economic survey. Kelley.

Dyfyniad Arddull Chicago

Trottman, Nelson Smith. History of the Union Pacific: A Financial and Economic Survey. New York: Kelley, 1966.

Dyfyniad MLA

Trottman, Nelson Smith. History of the Union Pacific: A Financial and Economic Survey. Kelley, 1966.

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