Kneeland, S. (2005). Solving problems. Viva Books.
Lua i Stíl Chicago (17ú heag.)Kneeland, Steve. Solving Problems. New Delhi: Viva Books, 2005.
Lua MLA (8ú heag.)Kneeland, Steve. Solving Problems. Viva Books, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.