Dyfyniad APA

United Brotherhood of Railway Employees. Railway employees' journal. Railway Publishing Co..

Dyfyniad Arddull Chicago

United Brotherhood of Railway Employees. Railway Employees' Journal. San Francisco: Railway Publishing Co..

Dyfyniad MLA

United Brotherhood of Railway Employees. Railway Employees' Journal. Railway Publishing Co..

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