Chiarappa, L. (1971). Crop loss assessment methods: FAO manual on the evaluation and prevention of losses by pests, disease and weeds. Commonwealth Agricultural Bureaux.
استشهاد بنمط شيكاغوChiarappa, Luigi. Crop Loss Assessment Methods: FAO Manual on the Evaluation and Prevention of Losses by Pests, Disease and Weeds. Commonwealth Agricultural Bureaux, 1971.
MLA استشهادChiarappa, Luigi. Crop Loss Assessment Methods: FAO Manual on the Evaluation and Prevention of Losses by Pests, Disease and Weeds. Commonwealth Agricultural Bureaux, 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.