BEER MICHAEL. (1988). JOY OF SELLING. MERCURY BOOKS.
Lua i Stíl Chicago (17ú heag.)BEER MICHAEL. JOY OF SELLING. LONDON: MERCURY BOOKS, 1988.
Lua MLA (9ú heag.)BEER MICHAEL. JOY OF SELLING. MERCURY BOOKS, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.