SOLOMAN ROBERT C. (1999). BETTER WAY TO THINK ABOUT BUSINESS, A. OXFORD UNIVERSITY PRESS.
Lua i Stíl Chicago (17ú heag.)SOLOMAN ROBERT C. BETTER WAY TO THINK ABOUT BUSINESS, A. NEW YORK: OXFORD UNIVERSITY PRESS, 1999.
Lua MLA (9ú heag.)SOLOMAN ROBERT C. BETTER WAY TO THINK ABOUT BUSINESS, A. OXFORD UNIVERSITY PRESS, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.