Lie, C. L. (1985). Elements of Discrete Mathematics (4th ed.). McGrawHill.
Lua i Stíl Chicago (17ú heag.)Lie, C L. Elements of Discrete Mathematics. 4th ed. New Delhi: McGrawHill, 1985.
Lua MLA (9ú heag.)Lie, C L. Elements of Discrete Mathematics. 4th ed. McGrawHill, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.