ARNOLD JOHN. (1982). HOW TO MAKE THE RIGHT DECISIONS. BALLANTINE BOOKS.
Lua i Stíl Chicago (17ú heag.)ARNOLD JOHN. HOW TO MAKE THE RIGHT DECISIONS. NEW YORK: BALLANTINE BOOKS, 1982.
Lua MLA (9ú heag.)ARNOLD JOHN. HOW TO MAKE THE RIGHT DECISIONS. BALLANTINE BOOKS, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.