Seeds, M. A. (1990). Foundations of astronomy (4.vyd.).
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Citação norma Chicago
Seeds, Michael A. Foundations of Astronomy. 4.vyd. Belmont, 1990.
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Citação norma MLA
Seeds, Michael A. Foundations of Astronomy. 4.vyd. 1990.
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Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.