APA-referens (7:e uppl.)

Nichols, W. D. (2000). Regional ground-water evapotranspiration and ground- water budgets, Great Basin, Nevada. U.S. Dept. of the Interior, U.S. Geological Survey For sale by the U.S. Geological Survey, Information Services.

Chicago-referens (17:e uppl.)

Nichols, William D. Regional Ground-water Evapotranspiration and Ground- Water Budgets, Great Basin, Nevada. Reston, VA, Denver, CO: U.S. Dept. of the Interior, U.S. Geological Survey For sale by the U.S. Geological Survey, Information Services, 2000.

MLA-referens (9:e uppl.)

Nichols, William D. Regional Ground-water Evapotranspiration and Ground- Water Budgets, Great Basin, Nevada. U.S. Dept. of the Interior, U.S. Geological Survey For sale by the U.S. Geological Survey, Information Services, 2000.