APA (7e ed.) Bronvermelding

Não informado. (1952). World agriculture. International Federation of Agricultural Producers.

Chicago (17e ed.) Bronvermelding

Não informado. World Agriculture. Paris: International Federation of Agricultural Producers, 1952.

MLA (8e ed.) Bronvermelding

Não informado. World Agriculture. International Federation of Agricultural Producers, 1952.

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