Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (9th εκδ.)

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.