National Science Board (U.S.); National Science Foundation (U.S.). (2002). Science & engineering indicators 2002. For sale by the Supt. of Docs., U.S. G.P.O.
Čikaški stil citiranja (17. izdanje)National Science Board (U.S.); National Science Foundation (U.S.). Science & Engineering Indicators 2002. Arlington, Va. : National Science Foundation ; Washington, D.C: For sale by the Supt. of Docs., U.S. G.P.O, 2002.
MLA način citiranja (9. izdanje)National Science Board (U.S.); National Science Foundation (U.S.). Science & Engineering Indicators 2002. For sale by the Supt. of Docs., U.S. G.P.O, 2002.
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