APA (7e ed.) Bronvermelding

Não informado. (1960). Agriculture in Northern Ireland. Department of Agriculture.

Chicago (17e ed.) Bronvermelding

Não informado. Agriculture in Northern Ireland. Belfast, Irlanda: Department of Agriculture, 1960.

MLA (8e ed.) Bronvermelding

Não informado. Agriculture in Northern Ireland. Department of Agriculture, 1960.

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