Ordish, G. (1967). Biological methods in crop pest control: An introductory study. Constable.
Chicago (17e ed.) BronvermeldingOrdish, George. Biological Methods in Crop Pest Control: An Introductory Study. London: Constable, 1967.
MLA (9e ed.) BronvermeldingOrdish, George. Biological Methods in Crop Pest Control: An Introductory Study. Constable, 1967.
Let op: Deze citaties zijn niet altijd 100% accuraat.