CHARLES WORTH. (1984). STRESS MANAGEMENT. BALLANTINE BOOKS.
Lua i Stíl Chicago (17ú heag.)CHARLES WORTH. STRESS MANAGEMENT. NEW YORK: BALLANTINE BOOKS, 1984.
Lua MLA (9ú heag.)CHARLES WORTH. STRESS MANAGEMENT. BALLANTINE BOOKS, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.