Federal funds for research, development, and other scientific activities. National Science Foundation.
Citazione stile Chigago Style (17a edizione)Federal Funds for Research, Development, and Other Scientific Activities. Washington: National Science Foundation.
Citatione MLA (9a ed.)Federal Funds for Research, Development, and Other Scientific Activities. National Science Foundation.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.