ELONKA, S. M. (1985). Standar boiler room: Questions and answers. Tata McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)ELONKA, Stephen M. Standar Boiler Room: Questions and Answers. New Delhi: Tata McGraw-Hill, 1985.
Lua MLA (9ú heag.)ELONKA, Stephen M. Standar Boiler Room: Questions and Answers. Tata McGraw-Hill, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.