APA (7e ed.) Bronvermelding

Não informado. (1959). World agricultural economics and rural sociology abstracts. Commonwealth Agricultural Bureau.

Chicago (17e ed.) Bronvermelding

Não informado. World Agricultural Economics and Rural Sociology Abstracts. Farnham Royal, Inglaterra: Commonwealth Agricultural Bureau, 1959.

MLA (8e ed.) Bronvermelding

Não informado. World Agricultural Economics and Rural Sociology Abstracts. Commonwealth Agricultural Bureau, 1959.

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