WALTON MARY. (1991). DEMING MANAGEMENT AT WORK. PERIGEE BOOK.
Lua i Stíl Chicago (17ú heag.)WALTON MARY. DEMING MANAGEMENT AT WORK. NEW YORK: PERIGEE BOOK, 1991.
Lua MLA (9ú heag.)WALTON MARY. DEMING MANAGEMENT AT WORK. PERIGEE BOOK, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.