एपीए उद्धरण

Droogers, P. (2002). Global irrigated area mapping: Overview and recommendations. Colombo, Sri Lanka: International Water Management Institute.

शिकागो स्टाइल उद्धरण

Droogers, Peter. Global Irrigated Area Mapping: Overview and Recommendations. Colombo, Sri Lanka: International Water Management Institute, 2002.

एमएलए उद्धरण

Droogers, Peter. Global Irrigated Area Mapping: Overview and Recommendations. Colombo, Sri Lanka: International Water Management Institute, 2002.