Παραπομπή APA

FAO. (2005). Methods and materials in soil conservation. Rome: Food and Agriculture Organization of the United Nations.

Παραπομπή Chicago Style

FAO. Methods and Materials in Soil Conservation. Rome: Food and Agriculture Organization of the United Nations, 2005.

Παραπομπή MLA

FAO. Methods and Materials in Soil Conservation. Rome: Food and Agriculture Organization of the United Nations, 2005.

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