WATERMAN ROBERT H. (1998). IN SEARCH OF EXCELLENCE: LESSONS FROM AMERICA`S BEST RUN COMPANIES. WARNER BOOK.
Lua i Stíl Chicago (17ú heag.)WATERMAN ROBERT H. IN SEARCH OF EXCELLENCE: LESSONS FROM AMERICA`S BEST RUN COMPANIES. NEW YORK: WARNER BOOK, 1998.
Lua MLA (9ú heag.)WATERMAN ROBERT H. IN SEARCH OF EXCELLENCE: LESSONS FROM AMERICA`S BEST RUN COMPANIES. WARNER BOOK, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.