Dyfyniad APA

Birks, J. S. (1978). Human capital on the Nile: Development and emigration in the Arab Republic of Egypt and the Democratic Republic of Sudan. International Labour Office.

Dyfyniad Arddull Chicago

Birks, J. S. Human Capital on the Nile: Development and Emigration in the Arab Republic of Egypt and the Democratic Republic of Sudan. Geneva [Switzerland]: International Labour Office, 1978.

Dyfyniad MLA

Birks, J. S. Human Capital on the Nile: Development and Emigration in the Arab Republic of Egypt and the Democratic Republic of Sudan. International Labour Office, 1978.

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