APA (7e ed.) Bronvermelding

Não informado. (1937). Soils and Fertilizers: Abstracts of world literature. Commonwealth Agricultural Bureau.

Chicago (17e ed.) Bronvermelding

Não informado. Soils and Fertilizers: Abstracts of World Literature. Farnham Royal, Inglaterra: Commonwealth Agricultural Bureau, 1937.

MLA (8e ed.) Bronvermelding

Não informado. Soils and Fertilizers: Abstracts of World Literature. Commonwealth Agricultural Bureau, 1937.

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