Karen Foster Gerry Bailey. (2019). Great People: Galileo Galilei: A Man of Science. Hachette India.
Lua i Stíl Chicago (17ú heag.)Karen Foster Gerry Bailey. Great People: Galileo Galilei: A Man of Science. Hachette India, 2019.
Lua MLA (9ú heag.)Karen Foster Gerry Bailey. Great People: Galileo Galilei: A Man of Science. Hachette India, 2019.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.