MCCORMACK MARK H. (1984). WHAT THEY DON`T TEACH YOU AT HARVARD BUSINESS SCHOOL. BANTAM BOOKS.
Lua i Stíl Chicago (17ú heag.)MCCORMACK MARK H. WHAT THEY DON`T TEACH YOU AT HARVARD BUSINESS SCHOOL. TORONTO: BANTAM BOOKS, 1984.
Lua MLA (9ú heag.)MCCORMACK MARK H. WHAT THEY DON`T TEACH YOU AT HARVARD BUSINESS SCHOOL. BANTAM BOOKS, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.