YouTube. Prof. Arjen Hoekstra on Virtual Water, The Water Footprint of Modern Society.
Cita Chicago (17th ed.)YouTube. Prof. Arjen Hoekstra on Virtual Water, The Water Footprint of Modern Society.
Cita MLA (9th ed.)YouTube. Prof. Arjen Hoekstra on Virtual Water, The Water Footprint of Modern Society.
Atenció: Aquestes cites poden no estar 100% correctes.