Dyfyniad APA

Food and Agriculture Organization of the United Nations. (1952). Soil conservation: An intertnational study. Food and Agriculture Organization.

Dyfyniad Arddull Chicago

Food and Agriculture Organization of the United Nations. Soil Conservation: An Intertnational Study. United Nations: Food and Agriculture Organization, 1952.

Dyfyniad MLA

Food and Agriculture Organization of the United Nations. Soil Conservation: An Intertnational Study. Food and Agriculture Organization, 1952.

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