National Research Council (U.S.). Astronomy and Astrophysics Survey Committee, ebrary, Inc, & Bahcall, J. N. (1991). Working papers: Astronomy and astrophysics panel reports. National Academy Press.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua i Stíl Chicago (17ú heag.)
National Research Council (U.S.). Astronomy and Astrophysics Survey Committee, Inc ebrary, agus John N. Bahcall. Working Papers: Astronomy and Astrophysics Panel Reports. Washington, D.C.: National Academy Press, 1991.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua MLA (9ú heag.)
National Research Council (U.S.). Astronomy and Astrophysics Survey Committee, et al. Working Papers: Astronomy and Astrophysics Panel Reports. National Academy Press, 1991.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.