Baker, R. H. (1950). Astronomy: A textbook for University and College Students. New York: D.Van Nostrand Company, Inc.
Stile di citazione ChicagoBaker, Ropert H. Astronomy: A Textbook for University and College Students. New York: D.Van Nostrand Company, Inc, 1950.
Citazione MLABaker, Ropert H. Astronomy: A Textbook for University and College Students. New York: D.Van Nostrand Company, Inc, 1950.
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