ARNY, T. T. S. (2020). Explorations: : an introduction to astronomy. McGraw Hill Education.
Čikaški stil citiranja (17. izdanje)ARNY, Thomas T. Schneider. Explorations: : An Introduction to Astronomy. McGraw Hill Education, 2020.
MLA način citiranja (9. izdanje)ARNY, Thomas T. Schneider. Explorations: : An Introduction to Astronomy. McGraw Hill Education, 2020.
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