APA (7e ed.) Bronvermelding

Não informado. (1955). Commercial fertilizer and plant food industry. W.W. Brown Publishing.

Chicago (17e ed.) Bronvermelding

Não informado. Commercial Fertilizer and Plant Food Industry. Atlanta, Ga: W.W. Brown Publishing, 1955.

MLA (8e ed.) Bronvermelding

Não informado. Commercial Fertilizer and Plant Food Industry. W.W. Brown Publishing, 1955.

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