APA (7e ed.) Bronvermelding

Não informado. (1968). Ceres. Food and Agriculture Organization of the United Nations.

Chicago (17e ed.) Bronvermelding

Não informado. Ceres. Rome: Food and Agriculture Organization of the United Nations, 1968.

MLA (8e ed.) Bronvermelding

Não informado. Ceres. Food and Agriculture Organization of the United Nations, 1968.

Let op: Deze citaties zijn niet altijd 100% accuraat.