Food and Agriculture Organization of the United Nations & European Commission on Agriculture. Working Party on Water Resources and Irrigation. (1971). Automated irrigation. FAO.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Food and Agriculture Organization of the United Nations و European Commission on Agriculture. Working Party on Water Resources and Irrigation. Automated Irrigation. Rome: FAO, 1971.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Food and Agriculture Organization of the United Nations و European Commission on Agriculture. Working Party on Water Resources and Irrigation. Automated Irrigation. FAO, 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.