Discovery Channel (Firm), Discovery Communications, Inc, Discovery Networks, Cronkie Ward Company, Malone, A., Sutherland, D., . . . MacLowry, R. (1997). Galileo's dialogue. Discovery Communications.
Lua i Stíl Chicago (17ú heag.)Discovery Channel (Firm), et al. Galileo's Dialogue. Bethesda, Md: Discovery Communications, 1997.
Lua MLA (9ú heag.)Discovery Channel (Firm), et al. Galileo's Dialogue. Discovery Communications, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.