KELLY, B. (1982). Economics Made Easy Bert Kelly. Brolga Books.
Lua i Stíl Chicago (17ú heag.)KELLY, Bert. Economics Made Easy Bert Kelly. Brolga Books, 1982.
Lua MLA (8ú heag.)KELLY, Bert. Economics Made Easy Bert Kelly. Brolga Books, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.