National Research Council (U.S.). Astronomy and Astrophysics Survey Committee & Bahcall, J. N. (1991). Working papers: Astronomy and astrophysics panel reports. National Academy Press.
Cita Chicago (17th ed.)National Research Council (U.S.). Astronomy and Astrophysics Survey Committee i John N. Bahcall. Working Papers: Astronomy and Astrophysics Panel Reports. Washington, D.C.: National Academy Press, 1991.
Cita MLA (9th ed.)National Research Council (U.S.). Astronomy and Astrophysics Survey Committee i John N. Bahcall. Working Papers: Astronomy and Astrophysics Panel Reports. National Academy Press, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.