Faul, H. (1966). Ages of rocks, planets, and stars. McGraw-Hill Book Co.
Lua i Stíl Chicago (17ú heag.)Faul, Henry. Ages of Rocks, Planets, and Stars. New York: McGraw-Hill Book Co, 1966.
Lua MLA (9ú heag.)Faul, Henry. Ages of Rocks, Planets, and Stars. McGraw-Hill Book Co, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.