Droogers, P. (2002). Global irrigated area mapping: Overview and recommendations. Colombo, Sri Lanka: International Water Management Institute.
استشهاد بنمط شيكاغوDroogers, Peter. Global Irrigated Area Mapping: Overview and Recommendations. Colombo, Sri Lanka: International Water Management Institute, 2002.
MLA استشهادDroogers, Peter. Global Irrigated Area Mapping: Overview and Recommendations. Colombo, Sri Lanka: International Water Management Institute, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.