McGraw-Hill Education. (2002). Mcgraw-hill mathematics. McGraw-Hill School Division.
Lua i Stíl Chicago (17ú heag.)McGraw-Hill Education. Mcgraw-hill Mathematics. New York: McGraw-Hill School Division, 2002.
Lua MLA (9ú heag.)McGraw-Hill Education. Mcgraw-hill Mathematics. McGraw-Hill School Division, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.