Stacey Palen. (2002). Schaum's outline of theory and problems of astronomy. New York: McGraw-Hill.
Čikaški stil citiranjaStacey Palen. Schaum's Outline of Theory and Problems of Astronomy. New York: McGraw-Hill, 2002.
MLA način citiranjaStacey Palen. Schaum's Outline of Theory and Problems of Astronomy. New York: McGraw-Hill, 2002.
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