United States. National Aeronautics and Space Administration. Astrophysics Performance Assessment Committee & ebrary, Inc. (2007). A performance assessment of NASA's Astrophysics Program. National Research Council.
Kopioitu leikepöydälle
Kopiointi leikepöydälle epäonnistui
Chicago-viite (17. p.)
United States. National Aeronautics and Space Administration. Astrophysics Performance Assessment Committee ja Inc ebrary. A Performance Assessment of NASA's Astrophysics Program. Washington, D.C.: National Research Council, 2007.
Kopioitu leikepöydälle
Kopiointi leikepöydälle epäonnistui
MLA-viite (9. p.)
United States. National Aeronautics and Space Administration. Astrophysics Performance Assessment Committee ja Inc ebrary. A Performance Assessment of NASA's Astrophysics Program. National Research Council, 2007.
Kopioitu leikepöydälle
Kopiointi leikepöydälle epäonnistui
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.