Assembly of Mathematical and Physical Sciences (U.S.). Astronomy Survey Committee & ebrary, Inc. (1982). Astronomy and astrophysics for the 1980's. National Academy Press.
Citazione stile Chigago Style (17a edizione)Assembly of Mathematical and Physical Sciences (U.S.). Astronomy Survey Committee e Inc ebrary. Astronomy and Astrophysics for the 1980's. Washington, D.C.: National Academy Press, 1982.
Citatione MLA (9a ed.)Assembly of Mathematical and Physical Sciences (U.S.). Astronomy Survey Committee e Inc ebrary. Astronomy and Astrophysics for the 1980's. National Academy Press, 1982.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.