APA-referens

Food and Agriculture Organization of the United Nations. (2003). Soil and terrain database for Southern Africa. Rome: Food and Agriculture Organization of the United Nations.

Chicago-stil citat

Food and Agriculture Organization of the United Nations. Soil and Terrain Database for Southern Africa. Rome: Food and Agriculture Organization of the United Nations, 2003.

MLA-referens

Food and Agriculture Organization of the United Nations. Soil and Terrain Database for Southern Africa. Rome: Food and Agriculture Organization of the United Nations, 2003.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.