Galilei, G. (1967). Dialogue concerning the two chief world systems, Ptolemaic & Copernican (Second edition.). University of California Press.
Chicago-referens (17:e uppl.)Galilei, Galileo. Dialogue Concerning the Two Chief World Systems, Ptolemaic & Copernican. Second edition. Berkeley: University of California Press, 1967.
MLA-referens (9:e uppl.)Galilei, Galileo. Dialogue Concerning the Two Chief World Systems, Ptolemaic & Copernican. Second edition. University of California Press, 1967.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.