Dyfyniad APA

(1919). McGraw electric railway directory. McGraw-Hill.

Dyfyniad Arddull Chicago

McGraw Electric Railway Directory. New York: McGraw-Hill, 1919.

Dyfyniad MLA

McGraw Electric Railway Directory. McGraw-Hill, 1919.

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