The journal of problem solving. Purdue University Press.
Lua i Stíl Chicago (17ú heag.)The Journal of Problem Solving. West Lafayette, IN: Purdue University Press.
Lua MLA (9ú heag.)The Journal of Problem Solving. Purdue University Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.