Dyfyniad APA

United States. Bureau of Labor Statistics. (1918). Monthly labor review. G.P.O..

Dyfyniad Arddull Chicago

United States. Bureau of Labor Statistics. Monthly Labor Review. Washington: G.P.O., 1918.

Dyfyniad MLA

United States. Bureau of Labor Statistics. Monthly Labor Review. G.P.O., 1918.

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