Ordish, G. (1967). Biological methods in crop pest control: An introductory study. Constable.
Citazione stile Chigago Style (17a edizione)Ordish, George. Biological Methods in Crop Pest Control: An Introductory Study. London: Constable, 1967.
Citatione MLA (9a ed.)Ordish, George. Biological Methods in Crop Pest Control: An Introductory Study. Constable, 1967.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.