ARNY, T. T. S. (2020). Explorations: : an introduction to astronomy. McGraw Hill Education.
Chicago-čujuhus (17. p.)ARNY, Thomas T. Schneider. Explorations: : An Introduction to Astronomy. McGraw Hill Education, 2020.
MLA-čujuhus (9. p.)ARNY, Thomas T. Schneider. Explorations: : An Introduction to Astronomy. McGraw Hill Education, 2020.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.