MERRILL DAVID W. (1981). PERSONAL STYLES AND EFFECTIVE PERFORMANCE. CHILTON BOOK.
Lua i Stíl Chicago (17ú heag.)MERRILL DAVID W. PERSONAL STYLES AND EFFECTIVE PERFORMANCE. LONDON: CHILTON BOOK, 1981.
Lua MLA (9ú heag.)MERRILL DAVID W. PERSONAL STYLES AND EFFECTIVE PERFORMANCE. CHILTON BOOK, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.