APA-referens

Barlow, P. M. (2002). Concepts for national assessment of water availability and use. US Geological Survey circular 1223.

Chicago-stil citat

Barlow, Paul M. "Concepts for National Assessment of Water Availability and Use." US Geological Survey Circular 1223 2002.

MLA-referens

Barlow, Paul M. "Concepts for National Assessment of Water Availability and Use." US Geological Survey Circular 1223 2002.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.