HARVARD BUSINESS REVIEW. (1974). CONTROL: PART III. HARVARD BUSINESS REVIEW.
Lua i Stíl Chicago (17ú heag.)HARVARD BUSINESS REVIEW. CONTROL: PART III. BOSTON: HARVARD BUSINESS REVIEW, 1974.
Lua MLA (9ú heag.)HARVARD BUSINESS REVIEW. CONTROL: PART III. HARVARD BUSINESS REVIEW, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.