Chakraborti & Chhanda. (2007). Logic: Informal, Symbolic and Inductive (2nd ed.). Prentice-Hall of India.
Lua i Stíl Chicago (17ú heag.)Chakraborti agus Chhanda. Logic: Informal, Symbolic and Inductive. 2nd ed. New Delhi: Prentice-Hall of India, 2007.
Lua MLA (9ú heag.)Chakraborti agus Chhanda. Logic: Informal, Symbolic and Inductive. 2nd ed. Prentice-Hall of India, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.