Dyfyniad APA

International Labour Office. (1979). Vocational training and retraining of railwaymen. Geneva: International Labour Office.

Dyfyniad Arddull Chicago

International Labour Office. Vocational Training and Retraining of Railwaymen. Geneva: International Labour Office, 1979.

Dyfyniad MLA

International Labour Office. Vocational Training and Retraining of Railwaymen. Geneva: International Labour Office, 1979.

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