APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.