Bergamini, D. (1972). Mathematics. Time-Life Books.
Lua i Stíl Chicago (17ú heag.)Bergamini, David. Mathematics. New York: Time-Life Books, 1972.
Lua MLA (9ú heag.)Bergamini, David. Mathematics. Time-Life Books, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.