Dyfyniad APA

Harwood, J. The Railroad That Never Was. Indiana University Press.

Dyfyniad Arddull Chicago

Harwood, Jr. The Railroad That Never Was. Indiana University Press.

Dyfyniad MLA

Harwood, Jr. The Railroad That Never Was. Indiana University Press.

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