National Research Council (U.S.). Space Studies Board, National Academy Press (U.S.), & ebrary, Inc. (1998). Space Studies Board annual report. 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.). Space Studies Board, National Academy Press (U.S.), agus Inc ebrary. Space Studies Board Annual Report. Washington, D.C.: National Academy Press, 1998.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua MLA (9ú heag.)
National Research Council (U.S.). Space Studies Board, et al. Space Studies Board Annual Report. National Academy Press, 1998.
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.