Dyfyniad APA

American Federation of Labor. Union Label Trades Dept. Proceedings. American Federation of Labor.

Dyfyniad Arddull Chicago

American Federation of Labor. Union Label Trades Dept. Proceedings. Washington, D.C.: American Federation of Labor.

Dyfyniad MLA

American Federation of Labor. Union Label Trades Dept. Proceedings. American Federation of Labor.

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