Dyfyniad APA

(1961). Contract labour: Survey of selected industries(1957-1961). Labour Bureau,Ministry of labour & employment,Gov.Of India.

Dyfyniad Arddull Chicago

Contract Labour: Survey of Selected Industries(1957-1961). New Delhi: Labour Bureau,Ministry of labour & employment,Gov.Of India, 1961.

Dyfyniad MLA

Contract Labour: Survey of Selected Industries(1957-1961). Labour Bureau,Ministry of labour & employment,Gov.Of India, 1961.

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